88788613318442 has 4 divisors (see below), whose sum is σ = 133182919977666. Its totient is φ = 44394306659220.

The previous prime is 88788613318393. The next prime is 88788613318501. The reversal of 88788613318442 is 24481331688788.

It is a Cunningham number, because it is equal to 9422771²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 88788613318441 + 1 = 9422771^2 + 1^2 .

It is a super-2 number, since 2×88788613318442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22197153329609 + ... + 22197153329612.

Almost surely, 2^{88788613318442} is an apocalyptic number.

88788613318442 is a deficient number, since it is larger than the sum of its proper divisors (44394306659224).

88788613318442 is a wasteful number, since it uses less digits than its factorization.

88788613318442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44394306659223.

The product of its digits is 396361728, while the sum is 71.

The spelling of 88788613318442 in words is "eighty-eight trillion, seven hundred eighty-eight billion, six hundred thirteen million, three hundred eighteen thousand, four hundred forty-two".