47398820988 has 24 divisors (see below), whose sum is σ = 112154958720. Its totient is φ = 15577077040.

The previous prime is 47398820977. The next prime is 47398820999. The reversal of 47398820988 is 88902889374.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47398820977) and next prime (47398820999).

It is a super-2 number, since 2×47398820988² (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 7 ways as a sum of consecutive naturals, for example, 27815358 + ... + 27817061.

It is an arithmetic number, because the mean of its divisors is an integer number (4673123280).

Almost surely, 2^47398820988 is an apocalyptic number.

It is an amenable number.

47398820988 is an abundant number, since it is smaller than the sum of its proper divisors (64756137732).

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

47398820988 is a wasteful number, since it uses less digits than its factorization.

47398820988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55632497 (or 55632495 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 47398820988 in words is "forty-seven billion, three hundred ninety-eight million, eight hundred twenty thousand, nine hundred eighty-eight".