863457697 has 4 divisors (see below), whose sum is σ = 900999360. Its totient is φ = 825916036.

The previous prime is 863457677. The next prime is 863457703. The reversal of 863457697 is 796754368.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-863457697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863457607) 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, 18770797 + ... + 18770842.

It is an arithmetic number, because the mean of its divisors is an integer number (225249840).

Almost surely, 2^863457697 is an apocalyptic number.

It is an amenable number.

863457697 is a deficient number, since it is larger than the sum of its proper divisors (37541663).

863457697 is a wasteful number, since it uses less digits than its factorization.

863457697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37541662.

The product of its digits is 7620480, while the sum is 55.

The square root of 863457697 is about 29384.6507040666. The cubic root of 863457697 is about 952.2413180965.

The spelling of 863457697 in words is "eight hundred sixty-three million, four hundred fifty-seven thousand, six hundred ninety-seven".