8460375991 has 4 divisors (see below), whose sum is σ = 8466940800. Its totient is φ = 8453811184.

The previous prime is 8460375971. The next prime is 8460375997. The reversal of 8460375991 is 1995730648.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8460375991 - 2⁷ = 8460375863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8460375997) 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, 3280471 + ... + 3283048.

It is an arithmetic number, because the mean of its divisors is an integer number (2116735200).

Almost surely, 2^8460375991 is an apocalyptic number.

8460375991 is a deficient number, since it is larger than the sum of its proper divisors (6564809).

8460375991 is a wasteful number, since it uses less digits than its factorization.

8460375991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564808.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 8460375991 is about 91980.3021901972. The cubic root of 8460375991 is about 2037.6514038369.

The spelling of 8460375991 in words is "eight billion, four hundred sixty million, three hundred seventy-five thousand, nine hundred ninety-one".