806263774 has 4 divisors (see below), whose sum is σ = 1209395664. Its totient is φ = 403131886.

The previous prime is 806263763. The next prime is 806263789. The reversal of 806263774 is 477362608.

It is a happy number.

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

It is a super-2 number, since 2×806263774² = 1300122546529446152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 806263774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201565942 + ... + 201565945.

It is an arithmetic number, because the mean of its divisors is an integer number (302348916).

Almost surely, 2^806263774 is an apocalyptic number.

806263774 is a deficient number, since it is larger than the sum of its proper divisors (403131890).

806263774 is a wasteful number, since it uses less digits than its factorization.

806263774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403131889.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 806263774 is about 28394.7842745811. The cubic root of 806263774 is about 930.7342927027.

The spelling of 806263774 in words is "eight hundred six million, two hundred sixty-three thousand, seven hundred seventy-four".