907864993 has 12 divisors (see below), whose sum is σ = 1102006080. Its totient is φ = 744335592.

The previous prime is 907864987. The next prime is 907865027. The reversal of 907864993 is 399468709.

It is a de Polignac number, because none of the positive numbers 2^k-907864993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (907864943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401653 + ... + 403906.

It is an arithmetic number, because the mean of its divisors is an integer number (91833840).

Almost surely, 2^907864993 is an apocalyptic number.

It is an amenable number.

907864993 is a deficient number, since it is larger than the sum of its proper divisors (194141087).

907864993 is a wasteful number, since it uses less digits than its factorization.

907864993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805596 (or 805589 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 907864993 is about 30130.7980810333. The cubic root of 907864993 is about 968.2936639609.

The spelling of 907864993 in words is "nine hundred seven million, eight hundred sixty-four thousand, nine hundred ninety-three".