157127701849 has 4 divisors (see below), whose sum is σ = 157137563520. Its totient is φ = 157117840180.

The previous prime is 157127701831. The next prime is 157127701877. The reversal of 157127701849 is 948107721751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157127701849 - 2²⁷ = 156993484121 is a prime.

It is a super-2 number, since 2×157127701849² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157127701796 and 157127701805.

It is not an unprimeable number, because it can be changed into a prime (157127708849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4906897 + ... + 4938814.

It is an arithmetic number, because the mean of its divisors is an integer number (39284390880).

Almost surely, 2^157127701849 is an apocalyptic number.

It is an amenable number.

157127701849 is a deficient number, since it is larger than the sum of its proper divisors (9861671).

157127701849 is an equidigital number, since it uses as much as digits as its factorization.

157127701849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9861670.

The product of its (nonzero) digits is 987840, while the sum is 52.

The spelling of 157127701849 in words is "one hundred fifty-seven billion, one hundred twenty-seven million, seven hundred one thousand, eight hundred forty-nine".