83768628 has 24 divisors (see below), whose sum is σ = 196870240. Its totient is φ = 27721440.

The previous prime is 83768623. The next prime is 83768647. The reversal of 83768628 is 82686738.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83768621) 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, 23443 + ... + 26778.

Almost surely, 2^83768628 is an apocalyptic number.

It is an amenable number.

83768628 is an abundant number, since it is smaller than the sum of its proper divisors (113101612).

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

83768628 is a wasteful number, since it uses less digits than its factorization.

83768628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50367 (or 50365 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 83768628 is about 9152.5203086363. The cubic root of 83768628 is about 437.5494418137.

The spelling of 83768628 in words is "eighty-three million, seven hundred sixty-eight thousand, six hundred twenty-eight".