818791848 has 64 divisors (see below), whose sum is σ = 2599344000. Its totient is φ = 233940096.

The previous prime is 818791847. The next prime is 818791849. The reversal of 818791848 is 848197818.

818791848 = T₄₁₂ + T₄₁₃ + ... + T₁₇₀₇.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (818791847) and next prime (818791849).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 818791794 and 818791803.

It is not an unprimeable number, because it can be changed into a prime (818791843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269253 + ... + 272276.

It is an arithmetic number, because the mean of its divisors is an integer number (40614750).

Almost surely, 2^818791848 is an apocalyptic number.

It is an amenable number.

818791848 is an abundant number, since it is smaller than the sum of its proper divisors (1780552152).

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

818791848 is a wasteful number, since it uses less digits than its factorization.

818791848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541551 (or 541541 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 54.

The square root of 818791848 is about 28614.5391016525. The cubic root of 818791848 is about 935.5302540996.

The spelling of 818791848 in words is "eight hundred eighteen million, seven hundred ninety-one thousand, eight hundred forty-eight".