77672552610 has 64 divisors (see below), whose sum is σ = 191788520832. Its totient is φ = 20123997696.

The previous prime is 77672552599. The next prime is 77672552647. The reversal of 77672552610 is 1625527677.

It is a self number, because there is not a number n which added to its sum of digits gives 77672552610.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117949 + ... + 411408.

It is an arithmetic number, because the mean of its divisors is an integer number (2996695638).

Almost surely, 2^77672552610 is an apocalyptic number.

77672552610 is an abundant number, since it is smaller than the sum of its proper divisors (114115968222).

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

77672552610 is a wasteful number, since it uses less digits than its factorization.

77672552610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529507.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 77672552610 in words is "seventy-seven billion, six hundred seventy-two million, five hundred fifty-two thousand, six hundred ten".