863450807 has 2 divisors, whose sum is σ = 863450808. Its totient is φ = 863450806.

The previous prime is 863450747. The next prime is 863450813. The reversal of 863450807 is 708054368.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-863450807 is a prime.

It is a super-2 number, since 2×863450807² = 1491094592217902498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863450407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431725403 + 431725404.

It is an arithmetic number, because the mean of its divisors is an integer number (431725404).

Almost surely, 2^863450807 is an apocalyptic number.

863450807 is a deficient number, since it is larger than the sum of its proper divisors (1).

863450807 is an equidigital number, since it uses as much as digits as its factorization.

863450807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 863450807 is about 29384.5334657537. The cubic root of 863450807 is about 952.2387852721.

The spelling of 863450807 in words is "eight hundred sixty-three million, four hundred fifty thousand, eight hundred seven".