84836957 has 4 divisors (see below), whose sum is σ = 89302080. Its totient is φ = 80371836.

The previous prime is 84836929. The next prime is 84836963. The reversal of 84836957 is 75963848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84836957 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 (84836357) 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, 2232533 + ... + 2232570.

It is an arithmetic number, because the mean of its divisors is an integer number (22325520).

Almost surely, 2^84836957 is an apocalyptic number.

It is an amenable number.

84836957 is a deficient number, since it is larger than the sum of its proper divisors (4465123).

84836957 is a wasteful number, since it uses less digits than its factorization.

84836957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465122.

The product of its digits is 1451520, while the sum is 50.

The square root of 84836957 is about 9210.6979648667. The cubic root of 84836957 is about 439.4016608840.

The spelling of 84836957 in words is "eighty-four million, eight hundred thirty-six thousand, nine hundred fifty-seven".