88504813 has 4 divisors (see below), whose sum is σ = 88526268. Its totient is φ = 88483360.

The previous prime is 88504751. The next prime is 88504847. The reversal of 88504813 is 31840588.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42224004 + 46280809 = 6498^2 + 6803^2 .

It is a cyclic number.

It is not a de Polignac number, because 88504813 - 2¹³ = 88496621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88504853) 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, 2368 + ... + 13513.

It is an arithmetic number, because the mean of its divisors is an integer number (22131567).

Almost surely, 2^88504813 is an apocalyptic number.

It is an amenable number.

88504813 is a deficient number, since it is larger than the sum of its proper divisors (21455).

88504813 is a wasteful number, since it uses less digits than its factorization.

88504813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21454.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 88504813 is about 9407.6996656994. The cubic root of 88504813 is about 445.6449227310.

The spelling of 88504813 in words is "eighty-eight million, five hundred four thousand, eight hundred thirteen".