47398537476864 has 180 divisors, whose sum is σ = 161524414666384. Its totient is φ = 13542439237632.

The previous prime is 47398537476863. The next prime is 47398537476877. The reversal of 47398537476864 is 46867473589374.

47398537476864 is a `hidden beast` number, since 4 + 7 + 3 + 9 + 8 + 537 + 4 + 76 + 8 + 6 + 4 = 666.

It is a super-2 number, since 2×47398537476864² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (47398537476863) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 163126927 + ... + 163417230.

Almost surely, 2^{47398537476864} is an apocalyptic number.

It is an amenable number.

47398537476864 is an abundant number, since it is smaller than the sum of its proper divisors (114125877189520).

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

47398537476864 is an equidigital number, since it uses as much as digits as its factorization.

47398537476864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326544192 (or 326544169 counting only the distinct ones).

The product of its digits is 20483850240, while the sum is 81.

The spelling of 47398537476864 in words is "forty-seven trillion, three hundred ninety-eight billion, five hundred thirty-seven million, four hundred seventy-six thousand, eight hundred sixty-four".