90560843734 has 4 divisors (see below), whose sum is σ = 135841265604. Its totient is φ = 45280421866.

The previous prime is 90560843729. The next prime is 90560843753. The reversal of 90560843734 is 43734806509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43734806509 = 17 ⋅2572635677.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22640210932 + ... + 22640210935.

It is an arithmetic number, because the mean of its divisors is an integer number (33960316401).

Almost surely, 2^90560843734 is an apocalyptic number.

90560843734 is a deficient number, since it is larger than the sum of its proper divisors (45280421870).

90560843734 is a wasteful number, since it uses less digits than its factorization.

90560843734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45280421869.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 90560843734 in words is "ninety billion, five hundred sixty million, eight hundred forty-three thousand, seven hundred thirty-four".