80615589120 has 288 divisors, whose sum is σ = 312081517440. Its totient is φ = 19543080960.

The previous prime is 80615589107. The next prime is 80615589151. The reversal of 80615589120 is 2198551608.

It is a happy number.

80615589120 is a `hidden beast` number, since 8 + 0 + 6 + 1 + 558 + 91 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 274132 + ... + 486188.

It is an arithmetic number, because the mean of its divisors is an integer number (1083616380).

Almost surely, 2^80615589120 is an apocalyptic number.

80615589120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80615589120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156040758720).

80615589120 is an abundant number, since it is smaller than the sum of its proper divisors (231465928320).

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

80615589120 is a wasteful number, since it uses less digits than its factorization.

80615589120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212098 (or 212078 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 80615589120 in words is "eighty billion, six hundred fifteen million, five hundred eighty-nine thousand, one hundred twenty".