84627157 has 4 divisors (see below), whose sum is σ = 86691276. Its totient is φ = 82563040.

The previous prime is 84627149. The next prime is 84627187. The reversal of 84627157 is 75172648.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 74805201 = 3134^2 + 8649^2 .

It is a cyclic number.

It is not a de Polignac number, because 84627157 - 2³ = 84627149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84627107) 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, 1031998 + ... + 1032079.

It is an arithmetic number, because the mean of its divisors is an integer number (21672819).

Almost surely, 2^84627157 is an apocalyptic number.

It is an amenable number.

84627157 is a deficient number, since it is larger than the sum of its proper divisors (2064119).

84627157 is a wasteful number, since it uses less digits than its factorization.

84627157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064118.

The product of its digits is 94080, while the sum is 40.

The square root of 84627157 is about 9199.3019843899. The cubic root of 84627157 is about 439.0391515562.

The spelling of 84627157 in words is "eighty-four million, six hundred twenty-seven thousand, one hundred fifty-seven".