812907363 has 4 divisors (see below), whose sum is σ = 1083876488. Its totient is φ = 541938240.

The previous prime is 812907317. The next prime is 812907379. The reversal of 812907363 is 363709218.

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

It is not a de Polignac number, because 812907363 - 2⁸ = 812907107 is a prime.

It is a super-2 number, since 2×812907363² = 1321636761639227538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812907383) 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, 135484558 + ... + 135484563.

It is an arithmetic number, because the mean of its divisors is an integer number (270969122).

Almost surely, 2^812907363 is an apocalyptic number.

812907363 is a deficient number, since it is larger than the sum of its proper divisors (270969125).

812907363 is a wasteful number, since it uses less digits than its factorization.

812907363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270969124.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 812907363 is about 28511.5303517717. The cubic root of 812907363 is about 933.2837105278.

The spelling of 812907363 in words is "eight hundred twelve million, nine hundred seven thousand, three hundred sixty-three".