868742076 has 24 divisors (see below), whose sum is σ = 2051489664. Its totient is φ = 286091440.

The previous prime is 868742059. The next prime is 868742093. The reversal of 868742076 is 670247868.

It is an interprime number because it is at equal distance from previous prime (868742059) and next prime (868742093).

It is a super-2 number, since 2×868742076² = 1509425589225579552, which 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, 435120 + ... + 437111.

It is an arithmetic number, because the mean of its divisors is an integer number (85478736).

Almost surely, 2^868742076 is an apocalyptic number.

It is an amenable number.

868742076 is an abundant number, since it is smaller than the sum of its proper divisors (1182747588).

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

868742076 is a wasteful number, since it uses less digits than its factorization.

868742076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872321 (or 872319 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 868742076 is about 29474.4308850909. The cubic root of 868742076 is about 954.1799475083.

The spelling of 868742076 in words is "eight hundred sixty-eight million, seven hundred forty-two thousand, seventy-six".