375779797 has 2 divisors, whose sum is σ = 375779798. Its totient is φ = 375779796.

The previous prime is 375779779. The next prime is 375779809. The reversal of 375779797 is 797977573.

Together with previous prime (375779779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191933316 + 183846481 = 13854^2 + 13559^2 .

It is an emirp because it is prime and its reverse (797977573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 375779797 - 2⁷ = 375779669 is a prime.

It is a super-2 number, since 2×375779797² = 282420911666722418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375779707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187889898 + 187889899.

It is an arithmetic number, because the mean of its divisors is an integer number (187889899).

Almost surely, 2^375779797 is an apocalyptic number.

It is an amenable number.

375779797 is a deficient number, since it is larger than the sum of its proper divisors (1).

375779797 is an equidigital number, since it uses as much as digits as its factorization.

375779797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20420505, while the sum is 61.

The square root of 375779797 is about 19385.0405467721. The cubic root of 375779797 is about 721.6242888092.

It can be divided in two parts, 37577 and 9797, that added together give a palindrome (47374).

The spelling of 375779797 in words is "three hundred seventy-five million, seven hundred seventy-nine thousand, seven hundred ninety-seven".