88890873778 has 16 divisors (see below), whose sum is σ = 152746323264. Its totient is φ = 38005596720.

The previous prime is 88890873769. The next prime is 88890873787. The reversal of 88890873778 is 87737809888.

It is an interprime number because it is at equal distance from previous prime (88890873769) and next prime (88890873787).

It is a self number, because there is not a number n which added to its sum of digits gives 88890873778.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7534900 + ... + 7546687.

It is an arithmetic number, because the mean of its divisors is an integer number (9546645204).

Almost surely, 2^88890873778 is an apocalyptic number.

88890873778 is a deficient number, since it is larger than the sum of its proper divisors (63855449486).

88890873778 is a wasteful number, since it uses less digits than its factorization.

88890873778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15082017.

The product of its (nonzero) digits is 303464448, while the sum is 73.

The spelling of 88890873778 in words is "eighty-eight billion, eight hundred ninety million, eight hundred seventy-three thousand, seven hundred seventy-eight".