47892087 has 8 divisors (see below), whose sum is σ = 70951280. Its totient is φ = 31928040.

The previous prime is 47892083. The next prime is 47892151. The reversal of 47892087 is 78029874.

It is not a de Polignac number, because 47892087 - 2² = 47892083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47892083) 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, 886864 + ... + 886917.

It is an arithmetic number, because the mean of its divisors is an integer number (8868910).

Almost surely, 2^47892087 is an apocalyptic number.

47892087 is a deficient number, since it is larger than the sum of its proper divisors (23059193).

47892087 is a wasteful number, since it uses less digits than its factorization.

47892087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773790 (or 1773784 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 47892087 is about 6920.4108982054. The cubic root of 47892087 is about 363.1515656941.

The spelling of 47892087 in words is "forty-seven million, eight hundred ninety-two thousand, eighty-seven".