83278032 has 80 divisors (see below), whose sum is σ = 226140288. Its totient is φ = 26357760.

The previous prime is 83278021. The next prime is 83278043. The reversal of 83278032 is 23087238.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (83278021) and next prime (83278043).

It is a super-2 number, since 2×83278032² = 13870461227586048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83277984 and 83278002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265908 + ... + 266220.

Almost surely, 2^83278032 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 83278032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113070144).

83278032 is an abundant number, since it is smaller than the sum of its proper divisors (142862256).

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

83278032 is a wasteful number, since it uses less digits than its factorization.

83278032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 83278032 is about 9125.6798102936. The cubic root of 83278032 is about 436.6935906584.

The spelling of 83278032 in words is "eighty-three million, two hundred seventy-eight thousand, thirty-two".