868416031 has 4 divisors (see below), whose sum is σ = 992475472. Its totient is φ = 744356592.

The previous prime is 868416019. The next prime is 868416041. The reversal of 868416031 is 130614868.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 868416031 - 2¹¹ = 868413983 is a prime.

It is a super-2 number, since 2×868416031² = 1508292805795585922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868416041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62029710 + ... + 62029723.

It is an arithmetic number, because the mean of its divisors is an integer number (248118868).

Almost surely, 2^868416031 is an apocalyptic number.

868416031 is a deficient number, since it is larger than the sum of its proper divisors (124059441).

868416031 is a wasteful number, since it uses less digits than its factorization.

868416031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124059440.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 868416031 is about 29468.8993856235. The cubic root of 868416031 is about 954.0605624274.

The spelling of 868416031 in words is "eight hundred sixty-eight million, four hundred sixteen thousand, thirty-one".