78293996 has 12 divisors (see below), whose sum is σ = 149470440. Its totient is φ = 35588160.

The previous prime is 78293981. The next prime is 78294011. The reversal of 78293996 is 69939287.

It is an interprime number because it is at equal distance from previous prime (78293981) and next prime (78294011).

It is a super-2 number, since 2×78293996² = 12259899619296032, which contains 22 as substring.

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, 889661 + ... + 889748.

It is an arithmetic number, because the mean of its divisors is an integer number (12455870).

Almost surely, 2^78293996 is an apocalyptic number.

It is an amenable number.

78293996 is a deficient number, since it is larger than the sum of its proper divisors (71176444).

78293996 is a wasteful number, since it uses less digits than its factorization.

78293996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779424 (or 1779422 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 78293996 is about 8848.3894579748. The cubic root of 78293996 is about 427.8020090445.

The spelling of 78293996 in words is "seventy-eight million, two hundred ninety-three thousand, nine hundred ninety-six".