8460391256 has 16 divisors (see below), whose sum is σ = 15864525000. Its totient is φ = 4229851264.

The previous prime is 8460391253. The next prime is 8460391259. The reversal of 8460391256 is 6521930648.

It is an interprime number because it is at equal distance from previous prime (8460391253) and next prime (8460391259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8460391253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83120 + ... + 154368.

Almost surely, 2^8460391256 is an apocalyptic number.

It is an amenable number.

8460391256 is a deficient number, since it is larger than the sum of its proper divisors (7404133744).

8460391256 is a wasteful number, since it uses less digits than its factorization.

8460391256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86098 (or 86094 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 8460391256 is about 91980.3851698828. The cubic root of 8460391256 is about 2037.6526293431.

The spelling of 8460391256 in words is "eight billion, four hundred sixty million, three hundred ninety-one thousand, two hundred fifty-six".