78874716 has 24 divisors (see below), whose sum is σ = 185368960. Its totient is φ = 26101872.

The previous prime is 78874709. The next prime is 78874717. The reversal of 78874716 is 61747887.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78874717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21976 + ... + 25311.

Almost surely, 2^78874716 is an apocalyptic number.

It is an amenable number.

78874716 is an abundant number, since it is smaller than the sum of its proper divisors (106494244).

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

78874716 is a wasteful number, since it uses less digits than its factorization.

78874716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47433 (or 47431 counting only the distinct ones).

The product of its digits is 526848, while the sum is 48.

The square root of 78874716 is about 8881.1438452488. The cubic root of 78874716 is about 428.8570983662.

The spelling of 78874716 in words is "seventy-eight million, eight hundred seventy-four thousand, seven hundred sixteen".