157677255706 has 8 divisors (see below), whose sum is σ = 236549803860. Its totient is φ = 78827321088.

The previous prime is 157677255683. The next prime is 157677255707. The reversal of 157677255706 is 607552776751.

It can be written as a sum of positive squares in 2 ways, for example, as 152327064681 + 5350191025 = 390291^2 + 73145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (157677255707) 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, 5635941 + ... + 5663848.

Almost surely, 2^157677255706 is an apocalyptic number.

157677255706 is a deficient number, since it is larger than the sum of its proper divisors (78872548154).

157677255706 is a wasteful number, since it uses less digits than its factorization.

157677255706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11306768.

The product of its (nonzero) digits is 21609000, while the sum is 58.

The spelling of 157677255706 in words is "one hundred fifty-seven billion, six hundred seventy-seven million, two hundred fifty-five thousand, seven hundred six".