868757961 has 8 divisors (see below), whose sum is σ = 1164409344. Its totient is φ = 576139280.

The previous prime is 868757941. The next prime is 868757971. The reversal of 868757961 is 169757868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 868757961 - 2⁷ = 868757833 is a prime.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (868757941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757506 + ... + 758651.

It is an arithmetic number, because the mean of its divisors is an integer number (145551168).

Almost surely, 2^868757961 is an apocalyptic number.

It is an amenable number.

868757961 is a deficient number, since it is larger than the sum of its proper divisors (295651383).

868757961 is a wasteful number, since it uses less digits than its factorization.

868757961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516351.

The product of its digits is 5080320, while the sum is 57.

The square root of 868757961 is about 29474.7003547110. The cubic root of 868757961 is about 954.1857632184.

The spelling of 868757961 in words is "eight hundred sixty-eight million, seven hundred fifty-seven thousand, nine hundred sixty-one".