77096457 has 12 divisors (see below), whose sum is σ = 111475780. Its totient is φ = 51344928.

The previous prime is 77096449. The next prime is 77096491. The reversal of 77096457 is 75469077.

It can be written as a sum of positive squares in 2 ways, for example, as 37896336 + 39200121 = 6156^2 + 6261^2 .

It is not a de Polignac number, because 77096457 - 2³ = 77096449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77091457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6219 + ... + 13887.

Almost surely, 2^77096457 is an apocalyptic number.

It is an amenable number.

77096457 is a deficient number, since it is larger than the sum of its proper divisors (34379323).

77096457 is a wasteful number, since it uses less digits than its factorization.

77096457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8792 (or 8789 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 77096457 is about 8780.4588148912. The cubic root of 77096457 is about 425.6096569860.

The spelling of 77096457 in words is "seventy-seven million, ninety-six thousand, four hundred fifty-seven".