77603113 has 24 divisors (see below), whose sum is σ = 97264800. Its totient is φ = 61504128.

The previous prime is 77603111. The next prime is 77603131. The reversal of 77603113 is 31130677.

It is not a de Polignac number, because 77603113 - 2¹ = 77603111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77603111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48358 + ... + 49936.

It is an arithmetic number, because the mean of its divisors is an integer number (4052700).

Almost surely, 2^77603113 is an apocalyptic number.

It is an amenable number.

77603113 is a deficient number, since it is larger than the sum of its proper divisors (19661687).

77603113 is a wasteful number, since it uses less digits than its factorization.

77603113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 77603113 is about 8809.2629090066. The cubic root of 77603113 is about 426.5399506379.

The spelling of 77603113 in words is "seventy-seven million, six hundred three thousand, one hundred thirteen".