80783458 has 24 divisors (see below), whose sum is σ = 145511424. Its totient is φ = 33503400.

The previous prime is 80783447. The next prime is 80783467. The reversal of 80783458 is 85438708.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10258 + ... + 16333.

It is an arithmetic number, because the mean of its divisors is an integer number (6062976).

Almost surely, 2^80783458 is an apocalyptic number.

80783458 is a deficient number, since it is larger than the sum of its proper divisors (64727966).

80783458 is a wasteful number, since it uses less digits than its factorization.

80783458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26638 (or 26631 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 80783458 is about 8987.9618379252. The cubic root of 80783458 is about 432.2889620504.

The spelling of 80783458 in words is "eighty million, seven hundred eighty-three thousand, four hundred fifty-eight".