78088092 has 12 divisors (see below), whose sum is σ = 182205576. Its totient is φ = 26029360.

The previous prime is 78088091. The next prime is 78088141. The reversal of 78088092 is 29088087.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×78088092² = 12195500224400928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78088091) 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, 3253659 + ... + 3253682.

It is an arithmetic number, because the mean of its divisors is an integer number (15183798).

Almost surely, 2^78088092 is an apocalyptic number.

It is an amenable number.

78088092 is an abundant number, since it is smaller than the sum of its proper divisors (104117484).

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

78088092 is a wasteful number, since it uses less digits than its factorization.

78088092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507348 (or 6507346 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 78088092 is about 8836.7466864226. The cubic root of 78088092 is about 427.4266568203.

The spelling of 78088092 in words is "seventy-eight million, eighty-eight thousand, ninety-two".