157777150107 has 16 divisors (see below), whose sum is σ = 222684675840. Its totient is φ = 99195896352.

The previous prime is 157777150103. The next prime is 157777150109. The reversal of 157777150107 is 701051777751.

It is not a de Polignac number, because 157777150107 - 2² = 157777150103 is a prime.

It is a super-2 number, since 2×157777150107² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157777150103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21083823 + ... + 21091304.

It is an arithmetic number, because the mean of its divisors is an integer number (13917792240).

Almost surely, 2^157777150107 is an apocalyptic number.

157777150107 is a deficient number, since it is larger than the sum of its proper divisors (64907525733).

157777150107 is a wasteful number, since it uses less digits than its factorization.

157777150107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42175202.

The product of its (nonzero) digits is 420175, while the sum is 48.

The spelling of 157777150107 in words is "one hundred fifty-seven billion, seven hundred seventy-seven million, one hundred fifty thousand, one hundred seven".