90790488046 has 4 divisors (see below), whose sum is σ = 136185732072. Its totient is φ = 45395244022.

The previous prime is 90790487981. The next prime is 90790488067. The reversal of 90790488046 is 64088409709.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64088409709 = 5233 ⋅12246973.

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, 22697622010 + ... + 22697622013.

It is an arithmetic number, because the mean of its divisors is an integer number (34046433018).

Almost surely, 2^90790488046 is an apocalyptic number.

90790488046 is a deficient number, since it is larger than the sum of its proper divisors (45395244026).

90790488046 is a wasteful number, since it uses less digits than its factorization.

90790488046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45395244025.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 90790488046 in words is "ninety billion, seven hundred ninety million, four hundred eighty-eight thousand, forty-six".