47901577 has 2 divisors, whose sum is σ = 47901578. Its totient is φ = 47901576.

The previous prime is 47901551. The next prime is 47901587. The reversal of 47901577 is 77510974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33884041 + 14017536 = 5821^2 + 3744^2 .

It is a cyclic number.

It is not a de Polignac number, because 47901577 - 2¹¹ = 47899529 is a prime.

It is a super-2 number, since 2×47901577² = 4589122158173858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47901587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23950788 + 23950789.

It is an arithmetic number, because the mean of its divisors is an integer number (23950789).

Almost surely, 2^47901577 is an apocalyptic number.

It is an amenable number.

47901577 is a deficient number, since it is larger than the sum of its proper divisors (1).

47901577 is an equidigital number, since it uses as much as digits as its factorization.

47901577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 47901577 is about 6921.0965171712. The cubic root of 47901577 is about 363.1755507333.

The spelling of 47901577 in words is "forty-seven million, nine hundred one thousand, five hundred seventy-seven".