77497516 has 12 divisors (see below), whose sum is σ = 135725688. Its totient is φ = 38718752.

The previous prime is 77497507. The next prime is 77497517. The reversal of 77497516 is 61579477.

It is not an unprimeable number, because it can be changed into a prime (77497517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081 + ... + 12496.

It is an arithmetic number, because the mean of its divisors is an integer number (11310474).

Almost surely, 2^77497516 is an apocalyptic number.

It is an amenable number.

77497516 is a deficient number, since it is larger than the sum of its proper divisors (58228172).

77497516 is a wasteful number, since it uses less digits than its factorization.

77497516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008 (or 15006 counting only the distinct ones).

The product of its digits is 370440, while the sum is 46.

The square root of 77497516 is about 8803.2673479794. The cubic root of 77497516 is about 426.3463940369.

The spelling of 77497516 in words is "seventy-seven million, four hundred ninety-seven thousand, five hundred sixteen".