88773638287 has 4 divisors (see below), whose sum is σ = 88863219136. Its totient is φ = 88684057440.

The previous prime is 88773638273. The next prime is 88773638299. The reversal of 88773638287 is 78283637788.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88773638287 is a prime.

It is a super-2 number, since 2×88773638287² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88773638237) 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, 44788938 + ... + 44790919.

It is an arithmetic number, because the mean of its divisors is an integer number (22215804784).

Almost surely, 2^88773638287 is an apocalyptic number.

88773638287 is a deficient number, since it is larger than the sum of its proper divisors (89580849).

88773638287 is an equidigital number, since it uses as much as digits as its factorization.

88773638287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89580848.

The product of its digits is 151732224, while the sum is 67.

The spelling of 88773638287 in words is "eighty-eight billion, seven hundred seventy-three million, six hundred thirty-eight thousand, two hundred eighty-seven".