78089696 has 24 divisors (see below), whose sum is σ = 161831880. Its totient is φ = 36989568.

The previous prime is 78089689. The next prime is 78089747. The reversal of 78089696 is 69698087.

78089696 is a modest number, since divided by 9696 gives 7808 as remainder.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63611 + ... + 64826.

It is an arithmetic number, because the mean of its divisors is an integer number (6742995).

Almost surely, 2^78089696 is an apocalyptic number.

78089696 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

78089696 is an abundant number, since it is smaller than the sum of its proper divisors (83742184).

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

78089696 is a wasteful number, since it uses less digits than its factorization.

78089696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128466 (or 128458 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 78089696 is about 8836.8374433391. The cubic root of 78089696 is about 427.4295833769.

The spelling of 78089696 in words is "seventy-eight million, eighty-nine thousand, six hundred ninety-six".