47902851 has 6 divisors (see below), whose sum is σ = 69193020. Its totient is φ = 31935228.

The previous prime is 47902849. The next prime is 47902891. The reversal of 47902851 is 15820974.

47902851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47902851 - 2¹ = 47902849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47902891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2661261 + ... + 2661278.

It is an arithmetic number, because the mean of its divisors is an integer number (11532170).

Almost surely, 2^47902851 is an apocalyptic number.

47902851 is a deficient number, since it is larger than the sum of its proper divisors (21290169).

47902851 is a wasteful number, since it uses less digits than its factorization.

47902851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322545 (or 5322542 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 47902851 is about 6921.1885539985. The cubic root of 47902851 is about 363.1787704015.

The spelling of 47902851 in words is "forty-seven million, nine hundred two thousand, eight hundred fifty-one".