375779779 has 2 divisors, whose sum is σ = 375779780. Its totient is φ = 375779778.

The previous prime is 375779771. The next prime is 375779797. The reversal of 375779779 is 977977573.

Together with next prime (375779797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 375779779 - 2³ = 375779771 is a prime.

It is not a weakly prime, because it can be changed into another prime (375779771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187889889 + 187889890.

It is an arithmetic number, because the mean of its divisors is an integer number (187889890).

Almost surely, 2^375779779 is an apocalyptic number.

375779779 is a deficient number, since it is larger than the sum of its proper divisors (1).

375779779 is an equidigital number, since it uses as much as digits as its factorization.

375779779 is an evil number, because the sum of its binary digits is even.

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

The square root of 375779779 is about 19385.0400824966. The cubic root of 375779779 is about 721.6242772872.

The spelling of 375779779 in words is "three hundred seventy-five million, seven hundred seventy-nine thousand, seven hundred seventy-nine".