83717293490 has 16 divisors (see below), whose sum is σ = 150815380248. Its totient is φ = 33459305856.

The previous prime is 83717293489. The next prime is 83717293523. The reversal of 83717293490 is 9439271738.

It can be written as a sum of positive squares in 4 ways, for example, as 39448712689 + 44268580801 = 198617^2 + 210401^2 .

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, 3438707 + ... + 3462966.

Almost surely, 2^83717293490 is an apocalyptic number.

83717293490 is a deficient number, since it is larger than the sum of its proper divisors (67098086758).

83717293490 is a wasteful number, since it uses less digits than its factorization.

83717293490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902893.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 83717293490 in words is "eighty-three billion, seven hundred seventeen million, two hundred ninety-three thousand, four hundred ninety".