84680464880 has 40 divisors (see below), whose sum is σ = 214780454064. Its totient is φ = 30792896000.

The previous prime is 84680464879. The next prime is 84680464907. The reversal of 84680464880 is 8846408648.

It is a happy number.

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

It is a super-2 number, since 2×84680464880² (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 7 ways as a sum of consecutive naturals, for example, 48113021 + ... + 48114780.

Almost surely, 2^84680464880 is an apocalyptic number.

84680464880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84680464880 is an abundant number, since it is smaller than the sum of its proper divisors (130099989184).

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

84680464880 is a wasteful number, since it uses less digits than its factorization.

84680464880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96227825 (or 96227819 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 56.

The spelling of 84680464880 in words is "eighty-four billion, six hundred eighty million, four hundred sixty-four thousand, eight hundred eighty".