813772296 has 48 divisors (see below), whose sum is σ = 2217196800. Its totient is φ = 269629152.

The previous prime is 813772247. The next prime is 813772313. The reversal of 813772296 is 692277318.

It is a super-2 number, since 2×813772296² = 1324450699474223232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21816 + ... + 45863.

It is an arithmetic number, because the mean of its divisors is an integer number (46191600).

Almost surely, 2^813772296 is an apocalyptic number.

It is an amenable number.

813772296 is an abundant number, since it is smaller than the sum of its proper divisors (1403424504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813772296 is a wasteful number, since it uses less digits than its factorization.

813772296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67858 (or 67851 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 813772296 is about 28526.6944457292. The cubic root of 813772296 is about 933.6145976575.

The spelling of 813772296 in words is "eight hundred thirteen million, seven hundred seventy-two thousand, two hundred ninety-six".