47623461257 has 2 divisors, whose sum is σ = 47623461258. Its totient is φ = 47623461256.

The previous prime is 47623461199. The next prime is 47623461271. The reversal of 47623461257 is 75216432674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39883684681 + 7739776576 = 199709^2 + 87976^2 .

It is a cyclic number.

It is not a de Polignac number, because 47623461257 - 2⁸ = 47623461001 is a prime.

It is not a weakly prime, because it can be changed into another prime (47623461287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23811730628 + 23811730629.

It is an arithmetic number, because the mean of its divisors is an integer number (23811730629).

Almost surely, 2^47623461257 is an apocalyptic number.

It is an amenable number.

47623461257 is a deficient number, since it is larger than the sum of its proper divisors (1).

47623461257 is an equidigital number, since it uses as much as digits as its factorization.

47623461257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 47.

The spelling of 47623461257 in words is "forty-seven billion, six hundred twenty-three million, four hundred sixty-one thousand, two hundred fifty-seven".