77916102 has 16 divisors (see below), whose sum is σ = 169998912. Its totient is φ = 23610920.

The previous prime is 77916089. The next prime is 77916103. The reversal of 77916102 is 20161977.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77916103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590208 + ... + 590339.

It is an arithmetic number, because the mean of its divisors is an integer number (10624932).

Almost surely, 2^77916102 is an apocalyptic number.

77916102 is an abundant number, since it is smaller than the sum of its proper divisors (92082810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77916102 is a wasteful number, since it uses less digits than its factorization.

77916102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180563.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 77916102 is about 8827.0097994734. The cubic root of 77916102 is about 427.1126219650.

The spelling of 77916102 in words is "seventy-seven million, nine hundred sixteen thousand, one hundred two".