868793870 has 16 divisors (see below), whose sum is σ = 1787233248. Its totient is φ = 297872160.

The previous prime is 868793777. The next prime is 868793909. The reversal of 868793870 is 78397868.

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, 6205601 + ... + 6205740.

It is an arithmetic number, because the mean of its divisors is an integer number (111702078).

Almost surely, 2^868793870 is an apocalyptic number.

868793870 is an abundant number, since it is smaller than the sum of its proper divisors (918439378).

868793870 is a wasteful number, since it uses less digits than its factorization.

868793870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411355.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 868793870 is about 29475.3094979510. The cubic root of 868793870 is about 954.1989097203.

The spelling of 868793870 in words is "eight hundred sixty-eight million, seven hundred ninety-three thousand, eight hundred seventy".