47075656408 has 72 divisors (see below), whose sum is σ = 97680476340. Its totient is φ = 21093648000.

The previous prime is 47075656361. The next prime is 47075656427. The reversal of 47075656408 is 80465657074.

It is a super-2 number, since 2×47075656408² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 205570438 + ... + 205570666.

Almost surely, 2^47075656408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47075656408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48840238170).

47075656408 is an abundant number, since it is smaller than the sum of its proper divisors (50604819932).

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

47075656408 is a wasteful number, since it uses less digits than its factorization.

47075656408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 47075656408 in words is "forty-seven billion, seventy-five million, six hundred fifty-six thousand, four hundred eight".