90817760351 has 4 divisors (see below), whose sum is σ = 90818962392. Its totient is φ = 90816558312.

The previous prime is 90817760339. The next prime is 90817760353. The reversal of 90817760351 is 15306771809.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90817760351 - 2⁶ = 90817760287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90817760296 and 90817760305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90817760353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479501 + ... + 641526.

It is an arithmetic number, because the mean of its divisors is an integer number (22704740598).

Almost surely, 2^90817760351 is an apocalyptic number.

90817760351 is a deficient number, since it is larger than the sum of its proper divisors (1202041).

90817760351 is a wasteful number, since it uses less digits than its factorization.

90817760351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202040.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 90817760351 in words is "ninety billion, eight hundred seventeen million, seven hundred sixty thousand, three hundred fifty-one".