763649377 has 2 divisors, whose sum is σ = 763649378. Its totient is φ = 763649376.

The previous prime is 763649357. The next prime is 763649399. The reversal of 763649377 is 773946367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 763085376 + 564001 = 27624^2 + 751^2 .

It is an emirp because it is prime and its reverse (773946367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 763649377 - 2²³ = 755260769 is a prime.

It is not a weakly prime, because it can be changed into another prime (763649347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381824688 + 381824689.

It is an arithmetic number, because the mean of its divisors is an integer number (381824689).

Almost surely, 2^763649377 is an apocalyptic number.

It is an amenable number.

763649377 is a deficient number, since it is larger than the sum of its proper divisors (1).

763649377 is an equidigital number, since it uses as much as digits as its factorization.

763649377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 52.

The square root of 763649377 is about 27634.2066468354. The cubic root of 763649377 is about 914.0388753182.

The spelling of 763649377 in words is "seven hundred sixty-three million, six hundred forty-nine thousand, three hundred seventy-seven".