83267790 has 16 divisors (see below), whose sum is σ = 199842768. Its totient is φ = 22204736.

The previous prime is 83267773. The next prime is 83267791. The reversal of 83267790 is 9776238.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83267791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387767 + ... + 1387826.

It is an arithmetic number, because the mean of its divisors is an integer number (12490173).

Almost surely, 2^83267790 is an apocalyptic number.

83267790 is an abundant number, since it is smaller than the sum of its proper divisors (116574978).

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

83267790 is a wasteful number, since it uses less digits than its factorization.

83267790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775603.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 83267790 is about 9125.1186293659. The cubic root of 83267790 is about 436.6756875811.

The spelling of 83267790 in words is "eighty-three million, two hundred sixty-seven thousand, seven hundred ninety".