78344496 has 100 divisors (see below), whose sum is σ = 230701504. Its totient is φ = 25660800.

The previous prime is 78344489. The next prime is 78344501. The reversal of 78344496 is 69444387.

It is a super-2 number, since 2×78344496² = 12275720106988032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78561 + ... + 79551.

Almost surely, 2^78344496 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 78344496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115350752).

78344496 is an abundant number, since it is smaller than the sum of its proper divisors (152357008).

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

78344496 is a wasteful number, since it uses less digits than its factorization.

78344496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1057 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 78344496 is about 8851.2426246262. The cubic root of 78344496 is about 427.8939673867.

The spelling of 78344496 in words is "seventy-eight million, three hundred forty-four thousand, four hundred ninety-six".