47899992 has 32 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 13685664.

The previous prime is 47899987. The next prime is 47900029. The reversal of 47899992 is 29999874.

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, 142392 + ... + 142727.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^47899992 is an apocalyptic number.

47899992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47899992 is an abundant number, since it is smaller than the sum of its proper divisors (88957608).

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

47899992 is a wasteful number, since it uses less digits than its factorization.

47899992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285135 (or 285131 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 57.

The square root of 47899992 is about 6920.9820112467. The cubic root of 47899992 is about 363.1715450225.

The spelling of 47899992 in words is "forty-seven million, eight hundred ninety-nine thousand, nine hundred ninety-two".