84770086240 has 72 divisors (see below), whose sum is σ = 232966383552. Its totient is φ = 29064026880.

The previous prime is 84770086211. The next prime is 84770086249. The reversal of 84770086240 is 4268007748.

It is a super-2 number, since 2×84770086240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84770086249) 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 11 ways as a sum of consecutive naturals, for example, 5398416 + ... + 5414095.

It is an arithmetic number, because the mean of its divisors is an integer number (3235644216).

Almost surely, 2^84770086240 is an apocalyptic number.

84770086240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84770086240 is an abundant number, since it is smaller than the sum of its proper divisors (148196297312).

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

84770086240 is a wasteful number, since it uses less digits than its factorization.

84770086240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812540 (or 10812525 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 84770086240 in words is "eighty-four billion, seven hundred seventy million, eighty-six thousand, two hundred forty".