807494091 has 16 divisors (see below), whose sum is σ = 1144554240. Its totient is φ = 504943200.

The previous prime is 807494089. The next prime is 807494123. The reversal of 807494091 is 190494708.

It is not a de Polignac number, because 807494091 - 2¹ = 807494089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (807494071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64375 + ... + 75888.

It is an arithmetic number, because the mean of its divisors is an integer number (71534640).

Almost surely, 2^807494091 is an apocalyptic number.

807494091 is a deficient number, since it is larger than the sum of its proper divisors (337060149).

807494091 is a wasteful number, since it uses less digits than its factorization.

807494091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140386.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 807494091 is about 28416.4405054539. The cubic root of 807494091 is about 931.2074696370.

The spelling of 807494091 in words is "eight hundred seven million, four hundred ninety-four thousand, ninety-one".