47957758 has 4 divisors (see below), whose sum is σ = 71936640. Its totient is φ = 23978878.

The previous prime is 47957743. The next prime is 47957759. The reversal of 47957758 is 85775974.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47957759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11989438 + ... + 11989441.

It is an arithmetic number, because the mean of its divisors is an integer number (17984160).

Almost surely, 2^47957758 is an apocalyptic number.

47957758 is a deficient number, since it is larger than the sum of its proper divisors (23978882).

47957758 is a wasteful number, since it uses less digits than its factorization.

47957758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23978881.

The product of its digits is 2469600, while the sum is 52.

The square root of 47957758 is about 6925.1540055077. The cubic root of 47957758 is about 363.3174778219.

The spelling of 47957758 in words is "forty-seven million, nine hundred fifty-seven thousand, seven hundred fifty-eight".