47957807 has 2 divisors, whose sum is σ = 47957808. Its totient is φ = 47957806.

The previous prime is 47957761. The next prime is 47957821. The reversal of 47957807 is 70875974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47957807 - 2⁶ = 47957743 is a prime.

It is a super-3 number, since 3×47957807³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47957827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23978903 + 23978904.

It is an arithmetic number, because the mean of its divisors is an integer number (23978904).

Almost surely, 2^47957807 is an apocalyptic number.

47957807 is a deficient number, since it is larger than the sum of its proper divisors (1).

47957807 is an equidigital number, since it uses as much as digits as its factorization.

47957807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 47957807 is about 6925.1575433343. The cubic root of 47957807 is about 363.3176015596.

The spelling of 47957807 in words is "forty-seven million, nine hundred fifty-seven thousand, eight hundred seven".