78874876 has 6 divisors (see below), whose sum is σ = 138031040. Its totient is φ = 39437436.

The previous prime is 78874853. The next prime is 78874897. The reversal of 78874876 is 67847887.

It is a happy number.

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, 9859356 + ... + 9859363.

Almost surely, 2^78874876 is an apocalyptic number.

It is an amenable number.

78874876 is a deficient number, since it is larger than the sum of its proper divisors (59156164).

78874876 is a wasteful number, since it uses less digits than its factorization.

78874876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19718723 (or 19718721 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 55.

The square root of 78874876 is about 8881.1528530929. The cubic root of 78874876 is about 428.8573883497.

The spelling of 78874876 in words is "seventy-eight million, eight hundred seventy-four thousand, eight hundred seventy-six".