83031378 has 8 divisors (see below), whose sum is σ = 166062768. Its totient is φ = 27677124.

The previous prime is 83031373. The next prime is 83031391. The reversal of 83031378 is 87313038.

It is a sphenic number, since it is the product of 3 distinct primes.

83031378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (83031371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6919276 + ... + 6919287.

It is an arithmetic number, because the mean of its divisors is an integer number (20757846).

Almost surely, 2^83031378 is an apocalyptic number.

83031378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83031378 is a wasteful number, since it uses less digits than its factorization.

83031378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838568.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 83031378 is about 9112.1555078916. The cubic root of 83031378 is about 436.2620293178.

The spelling of 83031378 in words is "eighty-three million, thirty-one thousand, three hundred seventy-eight".