77886496 has 12 divisors (see below), whose sum is σ = 153339102. Its totient is φ = 38943232.

The previous prime is 77886467. The next prime is 77886499. The reversal of 77886496 is 69468877.

It can be written as a sum of positive squares in only one way, i.e., 61402896 + 16483600 = 7836^2 + 4060^2 .

It is not an unprimeable number, because it can be changed into a prime (77886499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1216945 + ... + 1217008.

Almost surely, 2^77886496 is an apocalyptic number.

It is an amenable number.

77886496 is a deficient number, since it is larger than the sum of its proper divisors (75452606).

77886496 is a wasteful number, since it uses less digits than its factorization.

77886496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433963 (or 2433955 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 77886496 is about 8825.3326282923. The cubic root of 77886496 is about 427.0585180511.

The spelling of 77886496 in words is "seventy-seven million, eight hundred eighty-six thousand, four hundred ninety-six".