47157777825 has 48 divisors (see below), whose sum is σ = 80932129536. Its totient is φ = 24212044800.

The previous prime is 47157777781. The next prime is 47157777839. The reversal of 47157777825 is 52877775174.

It is not a de Polignac number, because 47157777825 - 2⁷ = 47157777697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105369 + ... + 324681.

It is an arithmetic number, because the mean of its divisors is an integer number (1686086032).

Almost surely, 2^47157777825 is an apocalyptic number.

It is an amenable number.

47157777825 is a deficient number, since it is larger than the sum of its proper divisors (33774351711).

47157777825 is a wasteful number, since it uses less digits than its factorization.

47157777825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219434 (or 219429 counting only the distinct ones).

The product of its digits is 26891200, while the sum is 60.

The spelling of 47157777825 in words is "forty-seven billion, one hundred fifty-seven million, seven hundred seventy-seven thousand, eight hundred twenty-five".