84768772 has 24 divisors (see below), whose sum is σ = 164489472. Its totient is φ = 37898400.

The previous prime is 84768751. The next prime is 84768773. The reversal of 84768772 is 27786748.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84768773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13108 + ... + 18475.

It is an arithmetic number, because the mean of its divisors is an integer number (6853728).

Almost surely, 2^84768772 is an apocalyptic number.

It is an amenable number.

84768772 is a deficient number, since it is larger than the sum of its proper divisors (79720700).

84768772 is a wasteful number, since it uses less digits than its factorization.

84768772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31659 (or 31657 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 49.

The square root of 84768772 is about 9206.9958183981. The cubic root of 84768772 is about 439.2839109728.

The spelling of 84768772 in words is "eighty-four million, seven hundred sixty-eight thousand, seven hundred seventy-two".