8725667278 has 16 divisors (see below), whose sum is σ = 13514290560. Its totient is φ = 4220978400.

The previous prime is 8725667239. The next prime is 8725667317. The reversal of 8725667278 is 8727665278.

It is an interprime number because it is at equal distance from previous prime (8725667239) and next prime (8725667317).

It is a super-2 number, since 2×8725667278² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247668 + ... + 280696.

It is an arithmetic number, because the mean of its divisors is an integer number (844643160).

Almost surely, 2^8725667278 is an apocalyptic number.

8725667278 is a deficient number, since it is larger than the sum of its proper divisors (4788623282).

8725667278 is a wasteful number, since it uses less digits than its factorization.

8725667278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37323.

The product of its digits is 15805440, while the sum is 58.

The square root of 8725667278 is about 93411.2802502995. The cubic root of 8725667278 is about 2058.7307415056.

It can be divided in two parts, 872566 and 7278, that added together give a square (879844 = 938²).

The spelling of 8725667278 in words is "eight billion, seven hundred twenty-five million, six hundred sixty-seven thousand, two hundred seventy-eight".