80008977616 has 40 divisors (see below), whose sum is σ = 166384544904. Its totient is φ = 37135503360.

The previous prime is 80008977611. The next prime is 80008977679. The reversal of 80008977616 is 61677980008.

It can be written as a sum of positive squares in 4 ways, for example, as 27723582016 + 52285395600 = 166504^2 + 228660^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80008977611) 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, 1994875 + ... + 2034586.

Almost surely, 2^80008977616 is an apocalyptic number.

It is an amenable number.

80008977616 is an abundant number, since it is smaller than the sum of its proper divisors (86375567288).

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

80008977616 is a wasteful number, since it uses less digits than its factorization.

80008977616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029559 (or 4029553 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 80008977616 in words is "eighty billion, eight million, nine hundred seventy-seven thousand, six hundred sixteen".