868646370 has 32 divisors (see below), whose sum is σ = 2194476480. Its totient is φ = 219447360.

The previous prime is 868646347. The next prime is 868646413. The reversal of 868646370 is 73646868.

It is a happy number.

It is a super-2 number, since 2×868646370² = 1509093032228353800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761401 + ... + 762540.

It is an arithmetic number, because the mean of its divisors is an integer number (68577390).

Almost surely, 2^868646370 is an apocalyptic number.

868646370 is an abundant number, since it is smaller than the sum of its proper divisors (1325830110).

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

868646370 is a wasteful number, since it uses less digits than its factorization.

868646370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523970.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 868646370 is about 29472.8072975752. The cubic root of 868646370 is about 954.1449067667.

The spelling of 868646370 in words is "eight hundred sixty-eight million, six hundred forty-six thousand, three hundred seventy".