83272278 has 16 divisors (see below), whose sum is σ = 168194736. Its totient is φ = 27482400.

The previous prime is 83272261. The next prime is 83272283. The reversal of 83272278 is 87227238.

It is a congruent number.

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, 68101 + ... + 69312.

It is an arithmetic number, because the mean of its divisors is an integer number (10512171).

Almost surely, 2^83272278 is an apocalyptic number.

83272278 is an abundant number, since it is smaller than the sum of its proper divisors (84922458).

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

83272278 is a wasteful number, since it uses less digits than its factorization.

83272278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137519.

The product of its digits is 75264, while the sum is 39.

The square root of 83272278 is about 9125.3645406636. The cubic root of 83272278 is about 436.6835328127.

The spelling of 83272278 in words is "eighty-three million, two hundred seventy-two thousand, two hundred seventy-eight".