84997599270 has 64 divisors (see below), whose sum is σ = 206559460800. Its totient is φ = 22382051328.

The previous prime is 84997599259. The next prime is 84997599307. The reversal of 84997599270 is 7299579948.

It is a junction number, because it is equal to n+sod(n) for n = 84997599195 and 84997599204.

It is a congruent number.

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, 1274064 + ... + 1339116.

It is an arithmetic number, because the mean of its divisors is an integer number (3227491575).

Almost surely, 2^84997599270 is an apocalyptic number.

84997599270 is an abundant number, since it is smaller than the sum of its proper divisors (121561861530).

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

84997599270 is a wasteful number, since it uses less digits than its factorization.

84997599270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65609.

The product of its (nonzero) digits is 102876480, while the sum is 69.

The spelling of 84997599270 in words is "eighty-four billion, nine hundred ninety-seven million, five hundred ninety-nine thousand, two hundred seventy".