77652362008 has 48 divisors (see below), whose sum is σ = 158718096000. Its totient is φ = 35598925440.

The previous prime is 77652361991. The next prime is 77652362033. The reversal of 77652362008 is 80026325677.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8713 + ... + 394183.

It is an arithmetic number, because the mean of its divisors is an integer number (3306627000).

Almost surely, 2^77652362008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77652362008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79359048000).

77652362008 is an abundant number, since it is smaller than the sum of its proper divisors (81065733992).

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

77652362008 is a wasteful number, since it uses less digits than its factorization.

77652362008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385652 (or 385635 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 77652362008 in words is "seventy-seven billion, six hundred fifty-two million, three hundred sixty-two thousand, eight".