47099911992 has 32 divisors (see below), whose sum is σ = 134571177600. Its totient is φ = 13457117664.

The previous prime is 47099911979. The next prime is 47099912021. The reversal of 47099911992 is 29911999074.

It is a super-3 number, since 3×47099911992³ (a number of 33 digits) contains 333 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, 140178142 + ... + 140178477.

It is an arithmetic number, because the mean of its divisors is an integer number (4205349300).

Almost surely, 2^47099911992 is an apocalyptic number.

47099911992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47099911992 is an abundant number, since it is smaller than the sum of its proper divisors (87471265608).

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

47099911992 is a wasteful number, since it uses less digits than its factorization.

47099911992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280356635 (or 280356631 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 60.

The spelling of 47099911992 in words is "forty-seven billion, ninety-nine million, nine hundred eleven thousand, nine hundred ninety-two".