47879574487 has 8 divisors (see below), whose sum is σ = 47993212080. Its totient is φ = 47766062400.

The previous prime is 47879574437. The next prime is 47879574499. The reversal of 47879574487 is 78447597874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47879574487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47879574437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755737 + ... + 816637.

It is an arithmetic number, because the mean of its divisors is an integer number (5999151510).

Almost surely, 2^47879574487 is an apocalyptic number.

47879574487 is a deficient number, since it is larger than the sum of its proper divisors (113637593).

47879574487 is a wasteful number, since it uses less digits than its factorization.

47879574487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62753.

The product of its digits is 442552320, while the sum is 70.

The spelling of 47879574487 in words is "forty-seven billion, eight hundred seventy-nine million, five hundred seventy-four thousand, four hundred eighty-seven".