83427960 has 128 divisors (see below), whose sum is σ = 312076800. Its totient is φ = 17333760.

The previous prime is 83427943. The next prime is 83427973. The reversal of 83427960 is 6972438.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4726 + ... + 13754.

It is an arithmetic number, because the mean of its divisors is an integer number (2438100).

Almost surely, 2^83427960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83427960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156038400).

83427960 is an abundant number, since it is smaller than the sum of its proper divisors (228648840).

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

83427960 is a wasteful number, since it uses less digits than its factorization.

83427960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061 (or 9057 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 83427960 is about 9133.8907372488. The cubic root of 83427960 is about 436.9554978447.

The spelling of 83427960 in words is "eighty-three million, four hundred twenty-seven thousand, nine hundred sixty".