157674817742377 has 6 divisors (see below), whose sum is σ = 170736636963822. Its totient is φ = 145545985608192.

The previous prime is 157674817742341. The next prime is 157674817742461. The reversal of 157674817742377 is 773247718476751.

It can be written as a sum of positive squares in 3 ways, for example, as 6797225908201 + 150877591834176 = 2607149^2 + 12283224^2 .

It is not a de Polignac number, because 157674817742377 - 2⁷ = 157674817742249 is a prime.

It is a super-2 number, since 2×157674817742377² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157674817742777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466493543448 + ... + 466493543785.

It is an arithmetic number, because the mean of its divisors is an integer number (28456106160637).

Almost surely, 2^{157674817742377} is an apocalyptic number.

It is an amenable number.

157674817742377 is a deficient number, since it is larger than the sum of its proper divisors (13061819221445).

157674817742377 is an equidigital number, since it uses as much as digits as its factorization.

157674817742377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932987087259 (or 932987087246 counting only the distinct ones).

The product of its digits is 2710632960, while the sum is 76.

The spelling of 157674817742377 in words is "one hundred fifty-seven trillion, six hundred seventy-four billion, eight hundred seventeen million, seven hundred forty-two thousand, three hundred seventy-seven".