47790125787 has 16 divisors (see below), whose sum is σ = 64086089760. Its totient is φ = 31677338112.

The previous prime is 47790125783. The next prime is 47790125809. The reversal of 47790125787 is 78752109774.

It is not a de Polignac number, because 47790125787 - 2² = 47790125783 is a prime.

It is a super-2 number, since 2×47790125787² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47790125783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891789 + ... + 943857.

It is an arithmetic number, because the mean of its divisors is an integer number (4005380610).

Almost surely, 2^47790125787 is an apocalyptic number.

47790125787 is a deficient number, since it is larger than the sum of its proper divisors (16295963973).

47790125787 is a wasteful number, since it uses less digits than its factorization.

47790125787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53822.

The product of its (nonzero) digits is 6914880, while the sum is 57.

The spelling of 47790125787 in words is "forty-seven billion, seven hundred ninety million, one hundred twenty-five thousand, seven hundred eighty-seven".