84677157 has 10 divisors (see below), whose sum is σ = 126493158. Its totient is φ = 56451384.

The previous prime is 84677149. The next prime is 84677171. The reversal of 84677157 is 75177648.

It can be written as a sum of positive squares in only one way, i.e., 76842756 + 7834401 = 8766^2 + 2799^2 .

It is not a de Polignac number, because 84677157 - 2³ = 84677149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84677137) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 522618 + ... + 522779.

Almost surely, 2^84677157 is an apocalyptic number.

It is an amenable number.

84677157 is a deficient number, since it is larger than the sum of its proper divisors (41816001).

84677157 is a wasteful number, since it uses less digits than its factorization.

84677157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045409 (or 1045400 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 84677157 is about 9202.0191805929. The cubic root of 84677157 is about 439.1255999120.

The spelling of 84677157 in words is "eighty-four million, six hundred seventy-seven thousand, one hundred fifty-seven".