157197486937 has 2 divisors, whose sum is σ = 157197486938. Its totient is φ = 157197486936.

The previous prime is 157197486877. The next prime is 157197486977. The reversal of 157197486937 is 739684791751.

157197486937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155579758096 + 1617728841 = 394436^2 + 40221^2 .

It is a cyclic number.

It is not a de Polignac number, because 157197486937 - 2³¹ = 155050003289 is a prime.

It is a super-2 number, since 2×157197486937² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (157197486977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78598743468 + 78598743469.

It is an arithmetic number, because the mean of its divisors is an integer number (78598743469).

Almost surely, 2^157197486937 is an apocalyptic number.

It is an amenable number.

157197486937 is a deficient number, since it is larger than the sum of its proper divisors (1).

157197486937 is an equidigital number, since it uses as much as digits as its factorization.

157197486937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80015040, while the sum is 67.

The spelling of 157197486937 in words is "one hundred fifty-seven billion, one hundred ninety-seven million, four hundred eighty-six thousand, nine hundred thirty-seven".