99485231580 has 144 divisors (see below), whose sum is σ = 363033914880. Its totient is φ = 21542661504.

The previous prime is 99485231579. The next prime is 99485231609. The reversal of 99485231580 is 8513258499.

99485231580 is a `hidden beast` number, since 9 + 9 + 4 + 8 + 52 + 3 + 1 + 580 = 666.

It is a super-2 number, since 2×99485231580² (a number of 23 digits) contains 22 as substring.

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, 2053864 + ... + 2101743.

Almost surely, 2^99485231580 is an apocalyptic number.

99485231580 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99485231580 is an abundant number, since it is smaller than the sum of its proper divisors (263548683300).

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

99485231580 is a wasteful number, since it uses less digits than its factorization.

99485231580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155648 (or 4155643 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 99485231580 in words is "ninety-nine billion, four hundred eighty-five million, two hundred thirty-one thousand, five hundred eighty".