78237696 has 52 divisors (see below), whose sum is σ = 208641152. Its totient is φ = 26075136.

The previous prime is 78237673. The next prime is 78237703. The reversal of 78237696 is 69673287.

It is a super-2 number, since 2×78237696² = 12242274150776832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9105 + ... + 15471.

Almost surely, 2^78237696 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 78237696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104320576).

78237696 is an abundant number, since it is smaller than the sum of its proper divisors (130403456).

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

78237696 is an equidigital number, since it uses as much as digits as its factorization.

78237696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394 (or 6372 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 78237696 is about 8845.2075159377. The cubic root of 78237696 is about 427.6994425228.

The spelling of 78237696 in words is "seventy-eight million, two hundred thirty-seven thousand, six hundred ninety-six".