47161862672 has 40 divisors (see below), whose sum is σ = 99001226016. Its totient is φ = 21677677056.

The previous prime is 47161862659. The next prime is 47161862711. The reversal of 47161862672 is 27626816174.

It is a self number, because there is not a number n which added to its sum of digits gives 47161862672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004458 + ... + 2027849.

Almost surely, 2^47161862672 is an apocalyptic number.

It is an amenable number.

47161862672 is an abundant number, since it is smaller than the sum of its proper divisors (51839363344).

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

47161862672 is a wasteful number, since it uses less digits than its factorization.

47161862672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032375 (or 4032369 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The spelling of 47161862672 in words is "forty-seven billion, one hundred sixty-one million, eight hundred sixty-two thousand, six hundred seventy-two".