47287887312 has 40 divisors (see below), whose sum is σ = 122178631456. Its totient is φ = 15760273536.

The previous prime is 47287887307. The next prime is 47287887313. The reversal of 47287887312 is 21378878274.

It is a super-2 number, since 2×47287887312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47287887313) 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, 267198 + ... + 407394.

Almost surely, 2^47287887312 is an apocalyptic number.

It is an amenable number.

47287887312 is an abundant number, since it is smaller than the sum of its proper divisors (74890744144).

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

47287887312 is a wasteful number, since it uses less digits than its factorization.

47287887312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147235 (or 147229 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 57.

The spelling of 47287887312 in words is "forty-seven billion, two hundred eighty-seven million, eight hundred eighty-seven thousand, three hundred twelve".