78587275673580 has 96 divisors (see below), whose sum is σ = 220557297752064. Its totient is φ = 20907772241664.

The previous prime is 78587275673563. The next prime is 78587275673633. The reversal of 78587275673580 is 8537657278587.

It is a hoax number, since the sum of its digits (78) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78587275673496 and 78587275673505.

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, 164413414 + ... + 164890706.

It is an arithmetic number, because the mean of its divisors is an integer number (2297471851584).

Almost surely, 2^{78587275673580} is an apocalyptic number.

It is an amenable number.

78587275673580 is an abundant number, since it is smaller than the sum of its proper divisors (141970022078484).

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

78587275673580 is a wasteful number, since it uses less digits than its factorization.

78587275673580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483695 (or 483693 counting only the distinct ones).

The product of its (nonzero) digits is 5531904000, while the sum is 78.

The spelling of 78587275673580 in words is "seventy-eight trillion, five hundred eighty-seven billion, two hundred seventy-five million, six hundred seventy-three thousand, five hundred eighty".