8779972 has 6 divisors (see below), whose sum is σ = 15364958. Its totient is φ = 4389984.

The previous prime is 8779961. The next prime is 8779993. The reversal of 8779972 is 2799778.

It can be written as a sum of positive squares in only one way, i.e., 4519876 + 4260096 = 2126^2 + 2064^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097493 + ... + 1097500.

Almost surely, 2^8779972 is an apocalyptic number.

It is an amenable number.

8779972 is a deficient number, since it is larger than the sum of its proper divisors (6584986).

8779972 is a wasteful number, since it uses less digits than its factorization.

8779972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194997 (or 2194995 counting only the distinct ones).

The product of its digits is 444528, while the sum is 49.

The square root of 8779972 is about 2963.1017532309. The cubic root of 8779972 is about 206.2992790727.

The spelling of 8779972 in words is "eight million, seven hundred seventy-nine thousand, nine hundred seventy-two".