88778216 has 32 divisors (see below), whose sum is σ = 178899840. Its totient is φ = 41150208.

The previous prime is 88778213. The next prime is 88778219. The reversal of 88778216 is 61287788.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (88778213) and next prime (88778219).

It is a super-2 number, since 2×88778216² = 15763143272285312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88778213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4241 + ... + 13983.

It is an arithmetic number, because the mean of its divisors is an integer number (5590620).

Almost surely, 2^88778216 is an apocalyptic number.

It is an amenable number.

88778216 is an abundant number, since it is smaller than the sum of its proper divisors (90121624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88778216 is a wasteful number, since it uses less digits than its factorization.

88778216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833 (or 9829 counting only the distinct ones).

The product of its digits is 301056, while the sum is 47.

The square root of 88778216 is about 9422.2192714880. The cubic root of 88778216 is about 446.1033362679.

The spelling of 88778216 in words is "eighty-eight million, seven hundred seventy-eight thousand, two hundred sixteen".