80701931520 has 720 divisors, whose sum is σ = 336960099840. Its totient is φ = 17454071808.

The previous prime is 80701931491. The next prime is 80701931567. The reversal of 80701931520 is 2513910708.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98057829 + ... + 98058651.

Almost surely, 2^80701931520 is an apocalyptic number.

80701931520 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 80701931520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168480049920).

80701931520 is an abundant number, since it is smaller than the sum of its proper divisors (256258168320).

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

80701931520 is a wasteful number, since it uses less digits than its factorization.

80701931520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 80701931520 in words is "eighty billion, seven hundred one million, nine hundred thirty-one thousand, five hundred twenty".