80587204735520 has 192 divisors, whose sum is σ = 227080259191296. Its totient is φ = 26424574894080.

The previous prime is 80587204735517. The next prime is 80587204735621. The reversal of 80587204735520 is 2553740278508.

It is a super-2 number, since 2×80587204735520² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 171352532 + ... + 171822188.

It is an arithmetic number, because the mean of its divisors is an integer number (1182709683288).

Almost surely, 2^{80587204735520} is an apocalyptic number.

80587204735520 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 80587204735520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113540129595648).

80587204735520 is an abundant number, since it is smaller than the sum of its proper divisors (146493054455776).

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

80587204735520 is a wasteful number, since it uses less digits than its factorization.

80587204735520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476363 (or 476355 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 56.

The spelling of 80587204735520 in words is "eighty trillion, five hundred eighty-seven billion, two hundred four million, seven hundred thirty-five thousand, five hundred twenty".