813053877 has 4 divisors (see below), whose sum is σ = 1084071840. Its totient is φ = 542035916.

The previous prime is 813053851. The next prime is 813053953. The reversal of 813053877 is 778350318.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 813053877 - 2¹¹ = 813051829 is a prime.

It is a super-2 number, since 2×813053877² = 1322113213809462258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813053827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135508977 + ... + 135508982.

It is an arithmetic number, because the mean of its divisors is an integer number (271017960).

Almost surely, 2^813053877 is an apocalyptic number.

It is an amenable number.

813053877 is a deficient number, since it is larger than the sum of its proper divisors (271017963).

813053877 is a wasteful number, since it uses less digits than its factorization.

813053877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271017962.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 813053877 is about 28514.0996175576. The cubic root of 813053877 is about 933.3397771522.

The spelling of 813053877 in words is "eight hundred thirteen million, fifty-three thousand, eight hundred seventy-seven".