863364731 has 8 divisors (see below), whose sum is σ = 948318720. Its totient is φ = 782362152.

The previous prime is 863364727. The next prime is 863364767. The reversal of 863364731 is 137463368.

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 863364731 - 2² = 863364727 is a prime.

It is a super-2 number, since 2×863364731² = 1490797317469404722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863364701) 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, 987395 + ... + 988268.

It is an arithmetic number, because the mean of its divisors is an integer number (118539840).

Almost surely, 2^863364731 is an apocalyptic number.

863364731 is a deficient number, since it is larger than the sum of its proper divisors (84953989).

863364731 is a wasteful number, since it uses less digits than its factorization.

863364731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975705.

The product of its digits is 217728, while the sum is 41.

The square root of 863364731 is about 29383.0687811876. The cubic root of 863364731 is about 952.2071418445.

The spelling of 863364731 in words is "eight hundred sixty-three million, three hundred sixty-four thousand, seven hundred thirty-one".