80612501904 has 180 divisors, whose sum is σ = 251377809228. Its totient is φ = 24093020160.

The previous prime is 80612501873. The next prime is 80612501933. The reversal of 80612501904 is 40910521608.

80612501904 is a `hidden beast` number, since 8 + 0 + 61 + 2 + 501 + 90 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18701109504 + 61911392400 = 136752^2 + 248820^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1240264 + ... + 1303640.

Almost surely, 2^80612501904 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 80612501904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125688904614).

80612501904 is an abundant number, since it is smaller than the sum of its proper divisors (170765307324).

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

80612501904 is a wasteful number, since it uses less digits than its factorization.

80612501904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63486 (or 63466 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 80612501904 in words is "eighty billion, six hundred twelve million, five hundred one thousand, nine hundred four".