157677853 has 2 divisors, whose sum is σ = 157677854. Its totient is φ = 157677852.

The previous prime is 157677803. The next prime is 157677889. The reversal of 157677853 is 358776751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128550244 + 29127609 = 11338^2 + 5397^2 .

It is a cyclic number.

It is not a de Polignac number, because 157677853 - 2¹³ = 157669661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157677797 and 157677806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157677803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78838926 + 78838927.

It is an arithmetic number, because the mean of its divisors is an integer number (78838927).

Almost surely, 2^157677853 is an apocalyptic number.

It is an amenable number.

157677853 is a deficient number, since it is larger than the sum of its proper divisors (1).

157677853 is an equidigital number, since it uses as much as digits as its factorization.

157677853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 49.

The square root of 157677853 is about 12556.9842318926. The cubic root of 157677853 is about 540.2443487211.

The spelling of 157677853 in words is "one hundred fifty-seven million, six hundred seventy-seven thousand, eight hundred fifty-three".