84768957 has 32 divisors (see below), whose sum is σ = 154568960. Its totient is φ = 44712000.

The previous prime is 84768949. The next prime is 84768991. The reversal of 84768957 is 75986748.

It is not a de Polignac number, because 84768957 - 2³ = 84768949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84768917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14794 + ... + 19707.

It is an arithmetic number, because the mean of its divisors is an integer number (4830280).

Almost surely, 2^84768957 is an apocalyptic number.

It is an amenable number.

84768957 is a deficient number, since it is larger than the sum of its proper divisors (69800003).

84768957 is a wasteful number, since it uses less digits than its factorization.

84768957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34530 (or 34524 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 84768957 is about 9207.0058651008. The cubic root of 84768957 is about 439.2842305380.

The spelling of 84768957 in words is "eighty-four million, seven hundred sixty-eight thousand, nine hundred fifty-seven".