47838015870 has 32 divisors (see below), whose sum is σ = 114817484448. Its totient is φ = 12756110208.

The previous prime is 47838015847. The next prime is 47838015881. The reversal of 47838015870 is 7851083874.

It is a congruent 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, 762952 + ... + 823268.

It is an arithmetic number, because the mean of its divisors is an integer number (3588046389).

Almost surely, 2^47838015870 is an apocalyptic number.

47838015870 is an abundant number, since it is smaller than the sum of its proper divisors (66979468578).

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

47838015870 is a wasteful number, since it uses less digits than its factorization.

47838015870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86764.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 47838015870 in words is "forty-seven billion, eight hundred thirty-eight million, fifteen thousand, eight hundred seventy".