87420574913 has 16 divisors (see below), whose sum is σ = 101355494400. Its totient is φ = 73848037200.

The previous prime is 87420574897. The next prime is 87420574921. The reversal of 87420574913 is 31947502478.

It is not a de Polignac number, because 87420574913 - 2⁴ = 87420574897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87420574013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1308818 + ... + 1373988.

It is an arithmetic number, because the mean of its divisors is an integer number (6334718400).

Almost surely, 2^87420574913 is an apocalyptic number.

It is an amenable number.

87420574913 is a deficient number, since it is larger than the sum of its proper divisors (13934919487).

87420574913 is a wasteful number, since it uses less digits than its factorization.

87420574913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67948.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 87420574913 in words is "eighty-seven billion, four hundred twenty million, five hundred seventy-four thousand, nine hundred thirteen".