83333664 has 48 divisors (see below), whose sum is σ = 243059040. Its totient is φ = 27777600.

The previous prime is 83333659. The next prime is 83333671. The reversal of 83333664 is 46633338.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47362 + ... + 49089.

It is an arithmetic number, because the mean of its divisors is an integer number (5063730).

Almost surely, 2^83333664 is an apocalyptic number.

It is an amenable number.

83333664 is an abundant number, since it is smaller than the sum of its proper divisors (159725376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83333664 is a wasteful number, since it uses less digits than its factorization.

83333664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96470 (or 96456 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 83333664 is about 9128.7274030940. The cubic root of 83333664 is about 436.7908100953.

The spelling of 83333664 in words is "eighty-three million, three hundred thirty-three thousand, six hundred sixty-four".