78472796 has 6 divisors (see below), whose sum is σ = 137327400. Its totient is φ = 39236396.

The previous prime is 78472789. The next prime is 78472817. The reversal of 78472796 is 69727487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9809096 + ... + 9809103.

It is an arithmetic number, because the mean of its divisors is an integer number (22887900).

Almost surely, 2^78472796 is an apocalyptic number.

It is an amenable number.

78472796 is a deficient number, since it is larger than the sum of its proper divisors (58854604).

78472796 is a wasteful number, since it uses less digits than its factorization.

78472796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19618203 (or 19618201 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The square root of 78472796 is about 8858.4872297701. The cubic root of 78472796 is about 428.1274186092.

The spelling of 78472796 in words is "seventy-eight million, four hundred seventy-two thousand, seven hundred ninety-six".