157718361865377 has 16 divisors (see below), whose sum is σ = 210606896787840. Its totient is φ = 104987708322432.

The previous prime is 157718361865313. The next prime is 157718361865387. The reversal of 157718361865377 is 773568163817751.

It is not a de Polignac number, because 157718361865377 - 2⁶ = 157718361865313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157718361865299 and 157718361865308.

It is not an unprimeable number, because it can be changed into a prime (157718361865387) 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, 84424749 + ... + 86272677.

It is an arithmetic number, because the mean of its divisors is an integer number (13162931049240).

Almost surely, 2^{157718361865377} is an apocalyptic number.

It is an amenable number.

157718361865377 is a deficient number, since it is larger than the sum of its proper divisors (52888534922463).

157718361865377 is a wasteful number, since it uses less digits than its factorization.

157718361865377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890632.

The product of its digits is 1244678400, while the sum is 75.

The spelling of 157718361865377 in words is "one hundred fifty-seven trillion, seven hundred eighteen billion, three hundred sixty-one million, eight hundred sixty-five thousand, three hundred seventy-seven".