78053696 has 56 divisors (see below), whose sum is σ = 180075840. Its totient is φ = 32873472.

The previous prime is 78053687. The next prime is 78053719. The reversal of 78053696 is 69635087.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24956 + ... + 27908.

It is an arithmetic number, because the mean of its divisors is an integer number (3215640).

Almost surely, 2^78053696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78053696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90037920).

78053696 is an abundant number, since it is smaller than the sum of its proper divisors (102022144).

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

78053696 is a wasteful number, since it uses less digits than its factorization.

78053696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 78053696 is about 8834.8002807081. The cubic root of 78053696 is about 427.3638904153.

The spelling of 78053696 in words is "seventy-eight million, fifty-three thousand, six hundred ninety-six".