47639560864 has 96 divisors (see below), whose sum is σ = 110763072000. Its totient is φ = 20158145280.

The previous prime is 47639560849. The next prime is 47639560883. The reversal of 47639560864 is 46806593674.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47639560799 and 47639560808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839634 + ... + 894574.

It is an arithmetic number, because the mean of its divisors is an integer number (1153782000).

Almost surely, 2^47639560864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47639560864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55381536000).

47639560864 is an abundant number, since it is smaller than the sum of its proper divisors (63123511136).

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

47639560864 is an equidigital number, since it uses as much as digits as its factorization.

47639560864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55051 (or 55029 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 47639560864 in words is "forty-seven billion, six hundred thirty-nine million, five hundred sixty thousand, eight hundred sixty-four".