47151257772 has 48 divisors (see below), whose sum is σ = 111800915072. Its totient is φ = 15463198080.

The previous prime is 47151257771. The next prime is 47151257819. The reversal of 47151257772 is 27775215174.

It is a super-2 number, since 2×47151257772² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47151257771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615888 + ... + 688200.

Almost surely, 2^47151257772 is an apocalyptic number.

It is an amenable number.

47151257772 is an abundant number, since it is smaller than the sum of its proper divisors (64649657300).

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

47151257772 is a wasteful number, since it uses less digits than its factorization.

47151257772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73198 (or 73196 counting only the distinct ones).

The product of its digits is 960400, while the sum is 48.

The spelling of 47151257772 in words is "forty-seven billion, one hundred fifty-one million, two hundred fifty-seven thousand, seven hundred seventy-two".