7916478268 has 6 divisors (see below), whose sum is σ = 13853836976. Its totient is φ = 3958239132.

The previous prime is 7916478257. The next prime is 7916478391. The reversal of 7916478268 is 8628746197.

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, 989559780 + ... + 989559787.

Almost surely, 2^7916478268 is an apocalyptic number.

It is an amenable number.

7916478268 is a deficient number, since it is larger than the sum of its proper divisors (5937358708).

7916478268 is a wasteful number, since it uses less digits than its factorization.

7916478268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979119571 (or 1979119569 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 58.

The square root of 7916478268 is about 88974.5933848534. The cubic root of 7916478268 is about 1993.0154923873.

The spelling of 7916478268 in words is "seven billion, nine hundred sixteen million, four hundred seventy-eight thousand, two hundred sixty-eight".