806612953831 has 4 divisors (see below), whose sum is σ = 806757955432. Its totient is φ = 806467952232.

The previous prime is 806612953807. The next prime is 806612953879. The reversal of 806612953831 is 138359216608.

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 806612953831 - 2⁵ = 806612953799 is a prime.

It is a super-2 number, since 2×806612953831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806612953891) 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, 72492456 + ... + 72503581.

It is an arithmetic number, because the mean of its divisors is an integer number (201689488858).

Almost surely, 2^806612953831 is an apocalyptic number.

806612953831 is a deficient number, since it is larger than the sum of its proper divisors (145001601).

806612953831 is a wasteful number, since it uses less digits than its factorization.

806612953831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145001600.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 806612953831 in words is "eight hundred six billion, six hundred twelve million, nine hundred fifty-three thousand, eight hundred thirty-one".