84007676520 has 96 divisors (see below), whose sum is σ = 279684142920. Its totient is φ = 21855651840.

The previous prime is 84007676513. The next prime is 84007676563. The reversal of 84007676520 is 2567670048.

It can be written as a sum of positive squares in 4 ways, for example, as 56007008964 + 28000667556 = 236658^2 + 167334^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2831029 + ... + 2860548.

Almost surely, 2^84007676520 is an apocalyptic number.

It is an amenable number.

84007676520 is an abundant number, since it is smaller than the sum of its proper divisors (195676466400).

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

84007676520 is a wasteful number, since it uses less digits than its factorization.

84007676520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691635 (or 5691628 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 84007676520 in words is "eighty-four billion, seven million, six hundred seventy-six thousand, five hundred twenty".