78659696 has 40 divisors (see below), whose sum is σ = 161098320. Its totient is φ = 37103616.

The previous prime is 78659657. The next prime is 78659699. The reversal of 78659696 is 69695687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78659699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106946 + ... + 107678.

It is an arithmetic number, because the mean of its divisors is an integer number (4027458).

Almost surely, 2^78659696 is an apocalyptic number.

78659696 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78659696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80549160).

78659696 is an abundant number, since it is smaller than the sum of its proper divisors (82438624).

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

78659696 is a wasteful number, since it uses less digits than its factorization.

78659696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1107 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The square root of 78659696 is about 8869.0301611845. The cubic root of 78659696 is about 428.4670419206.

The spelling of 78659696 in words is "seventy-eight million, six hundred fifty-nine thousand, six hundred ninety-six".