78088892 has 12 divisors (see below), whose sum is σ = 156177840. Its totient is φ = 33466656.

The previous prime is 78088891. The next prime is 78088897. The reversal of 78088892 is 29888087.

78088892 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 78088892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78088891) 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, 1394417 + ... + 1394472.

It is an arithmetic number, because the mean of its divisors is an integer number (13014820).

Almost surely, 2^78088892 is an apocalyptic number.

It is an amenable number.

78088892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78088892 is a wasteful number, since it uses less digits than its factorization.

78088892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788900 (or 2788898 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 50.

The square root of 78088892 is about 8836.7919518341. The cubic root of 78088892 is about 427.4281164545.

The spelling of 78088892 in words is "seventy-eight million, eighty-eight thousand, eight hundred ninety-two".