813470751 has 6 divisors (see below), whose sum is σ = 1175013320. Its totient is φ = 542313828.

The previous prime is 813470747. The next prime is 813470761. The reversal of 813470751 is 157074318.

813470751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 813470751 - 2² = 813470747 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 (813470741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45192811 + ... + 45192828.

Almost surely, 2^813470751 is an apocalyptic number.

813470751 is a deficient number, since it is larger than the sum of its proper divisors (361542569).

813470751 is a wasteful number, since it uses less digits than its factorization.

813470751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90385645 (or 90385642 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 813470751 is about 28521.4086433332. The cubic root of 813470751 is about 933.4992658069.

The spelling of 813470751 in words is "eight hundred thirteen million, four hundred seventy thousand, seven hundred fifty-one".