7870868 has 6 divisors (see below), whose sum is σ = 13774026. Its totient is φ = 3935432.

The previous prime is 7870867. The next prime is 7870879. The reversal of 7870868 is 8680787.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7463824 + 407044 = 2732^2 + 638^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7870867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983855 + ... + 983862.

It is an arithmetic number, because the mean of its divisors is an integer number (2295671).

Almost surely, 2^7870868 is an apocalyptic number.

It is an amenable number.

7870868 is a deficient number, since it is larger than the sum of its proper divisors (5903158).

7870868 is a wasteful number, since it uses less digits than its factorization.

7870868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967721 (or 1967719 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 7870868 is about 2805.5067278479. The cubic root of 7870868 is about 198.9180575571.

The spelling of 7870868 in words is "seven million, eight hundred seventy thousand, eight hundred sixty-eight".