157827037 has 2 divisors, whose sum is σ = 157827038. Its totient is φ = 157827036.

The previous prime is 157827017. The next prime is 157827067. The reversal of 157827037 is 730728751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135349956 + 22477081 = 11634^2 + 4741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157827037 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157827017) 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, 78913518 + 78913519.

It is an arithmetic number, because the mean of its divisors is an integer number (78913519).

Almost surely, 2^157827037 is an apocalyptic number.

It is an amenable number.

157827037 is a deficient number, since it is larger than the sum of its proper divisors (1).

157827037 is an equidigital number, since it uses as much as digits as its factorization.

157827037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 157827037 is about 12562.9231073027. The cubic root of 157827037 is about 540.4146757659.

The spelling of 157827037 in words is "one hundred fifty-seven million, eight hundred twenty-seven thousand, thirty-seven".