157795747 has 2 divisors, whose sum is σ = 157795748. Its totient is φ = 157795746.

The previous prime is 157795739. The next prime is 157795777. The reversal of 157795747 is 747597751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157795747 - 2³ = 157795739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157795694 and 157795703.

It is not a weakly prime, because it can be changed into another prime (157795727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78897873 + 78897874.

It is an arithmetic number, because the mean of its divisors is an integer number (78897874).

Almost surely, 2^157795747 is an apocalyptic number.

157795747 is a deficient number, since it is larger than the sum of its proper divisors (1).

157795747 is an equidigital number, since it uses as much as digits as its factorization.

157795747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160900, while the sum is 52.

The square root of 157795747 is about 12561.6777143819. The cubic root of 157795747 is about 540.3789601008.

The spelling of 157795747 in words is "one hundred fifty-seven million, seven hundred ninety-five thousand, seven hundred forty-seven".