83679400 has 48 divisors (see below), whose sum is σ = 222351840. Its totient is φ = 28689600.

The previous prime is 83679383. The next prime is 83679403. The reversal of 83679400 is 497638.

It is a self number, because there is not a number n which added to its sum of digits gives 83679400.

It is not an unprimeable number, because it can be changed into a prime (83679403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28486 + ... + 31285.

It is an arithmetic number, because the mean of its divisors is an integer number (4632330).

Almost surely, 2^83679400 is an apocalyptic number.

It is an amenable number.

83679400 is an abundant number, since it is smaller than the sum of its proper divisors (138672440).

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

83679400 is a wasteful number, since it uses less digits than its factorization.

83679400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59794 (or 59785 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 83679400 is about 9147.6445055544. The cubic root of 83679400 is about 437.3940314779.

The spelling of 83679400 in words is "eighty-three million, six hundred seventy-nine thousand, four hundred".