88818490561 has 4 divisors (see below), whose sum is σ = 88928008624. Its totient is φ = 88708972500.

The previous prime is 88818490531. The next prime is 88818490601. The reversal of 88818490561 is 16509481888.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88818490561 - 2¹³ = 88818482369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88818490496 and 88818490505.

It is not an unprimeable number, because it can be changed into a prime (88818490531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54757815 + ... + 54759436.

It is an arithmetic number, because the mean of its divisors is an integer number (22232002156).

Almost surely, 2^88818490561 is an apocalyptic number.

It is an amenable number.

88818490561 is a deficient number, since it is larger than the sum of its proper divisors (109518063).

88818490561 is a wasteful number, since it uses less digits than its factorization.

88818490561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109518062.

The product of its (nonzero) digits is 4423680, while the sum is 58.

The spelling of 88818490561 in words is "eighty-eight billion, eight hundred eighteen million, four hundred ninety thousand, five hundred sixty-one".