84860497520 has 40 divisors (see below), whose sum is σ = 202633113984. Its totient is φ = 33026787072.

The previous prime is 84860497499. The next prime is 84860497529. The reversal of 84860497520 is 2579406848.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×84860497520³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84860497529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14331584 + ... + 14337503.

Almost surely, 2^84860497520 is an apocalyptic number.

84860497520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84860497520 is an abundant number, since it is smaller than the sum of its proper divisors (117772616464).

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

84860497520 is a wasteful number, since it uses less digits than its factorization.

84860497520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28669137 (or 28669131 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 84860497520 in words is "eighty-four billion, eight hundred sixty million, four hundred ninety-seven thousand, five hundred twenty".