77906060 has 24 divisors (see below), whose sum is σ = 170716896. Its totient is φ = 29807360.

The previous prime is 77906057. The next prime is 77906077. The reversal of 77906060 is 6060977.

It is a self number, because there is not a number n which added to its sum of digits gives 77906060.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84221 + ... + 85140.

It is an arithmetic number, because the mean of its divisors is an integer number (7113204).

Almost surely, 2^77906060 is an apocalyptic number.

It is an amenable number.

77906060 is an abundant number, since it is smaller than the sum of its proper divisors (92810836).

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

77906060 is a wasteful number, since it uses less digits than its factorization.

77906060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169393 (or 169391 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 77906060 is about 8826.4409588463. The cubic root of 77906060 is about 427.0942721027.

The spelling of 77906060 in words is "seventy-seven million, nine hundred six thousand, sixty".