78043896 has 48 divisors (see below), whose sum is σ = 241566000. Its totient is φ = 22298112.

The previous prime is 78043879. The next prime is 78043921. The reversal of 78043896 is 69834087.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76921 + ... + 77928.

It is an arithmetic number, because the mean of its divisors is an integer number (5032625).

Almost surely, 2^78043896 is an apocalyptic number.

It is an amenable number.

78043896 is an abundant number, since it is smaller than the sum of its proper divisors (163522104).

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

78043896 is a wasteful number, since it uses less digits than its factorization.

78043896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154868 (or 154861 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 78043896 is about 8834.2456384232. The cubic root of 78043896 is about 427.3460038337.

The spelling of 78043896 in words is "seventy-eight million, forty-three thousand, eight hundred ninety-six".