84253777878010 has 32 divisors (see below), whose sum is σ = 166000129342992. Its totient is φ = 30599102177280.

The previous prime is 84253777878007. The next prime is 84253777878091. The reversal of 84253777878010 is 1087877735248.

It can be written as a sum of positive squares in 8 ways, for example, as 35769778641 + 84218008099369 = 189129^2 + 9177037^2 .

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5312336199 + ... + 5312352058.

Almost surely, 2^{84253777878010} is an apocalyptic number.

84253777878010 is a deficient number, since it is larger than the sum of its proper divisors (81746351464982).

84253777878010 is a wasteful number, since it uses less digits than its factorization.

84253777878010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10624688338.

The product of its (nonzero) digits is 147517440, while the sum is 67.

The spelling of 84253777878010 in words is "eighty-four trillion, two hundred fifty-three billion, seven hundred seventy-seven million, eight hundred seventy-eight thousand, ten".