84900863880 has 256 divisors, whose sum is σ = 340455168000. Its totient is φ = 18384516864.

The previous prime is 84900863821. The next prime is 84900863881. The reversal of 84900863880 is 8836800948.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (84900863881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151894 + ... + 439173.

It is an arithmetic number, because the mean of its divisors is an integer number (1329903000).

Almost surely, 2^84900863880 is an apocalyptic number.

It is an amenable number.

84900863880 is an abundant number, since it is smaller than the sum of its proper divisors (255554304120).

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

84900863880 is a wasteful number, since it uses less digits than its factorization.

84900863880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591113 (or 591103 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 84900863880 in words is "eighty-four billion, nine hundred million, eight hundred sixty-three thousand, eight hundred eighty".