88778842 has 16 divisors (see below), whose sum is σ = 134986752. Its totient is φ = 43787520.

The previous prime is 88778839. The next prime is 88778843. The reversal of 88778842 is 24887788.

It is a self number, because there is not a number n which added to its sum of digits gives 88778842.

It is not an unprimeable number, because it can be changed into a prime (88778843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48117 + ... + 49927.

It is an arithmetic number, because the mean of its divisors is an integer number (8436672).

Almost surely, 2^88778842 is an apocalyptic number.

88778842 is a deficient number, since it is larger than the sum of its proper divisors (46207910).

88778842 is a wasteful number, since it uses less digits than its factorization.

88778842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

The product of its digits is 1605632, while the sum is 52.

The square root of 88778842 is about 9422.2524907795. The cubic root of 88778842 is about 446.1043847986.

The spelling of 88778842 in words is "eighty-eight million, seven hundred seventy-eight thousand, eight hundred forty-two".