8078772 has 24 divisors (see below), whose sum is σ = 20300896. Its totient is φ = 2485728.

The previous prime is 8078767. The next prime is 8078827. The reversal of 8078772 is 2778708.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 8078772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25738 + ... + 26049.

Almost surely, 2^8078772 is an apocalyptic number.

It is an amenable number.

8078772 is an abundant number, since it is smaller than the sum of its proper divisors (12222124).

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

8078772 is a wasteful number, since it uses less digits than its factorization.

8078772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51807 (or 51805 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 8078772 is about 2842.3180680564. The cubic root of 8078772 is about 200.6542905188.

The spelling of 8078772 in words is "eight million, seventy-eight thousand, seven hundred seventy-two".