7791882 has 48 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 2093952.

The previous prime is 7791877. The next prime is 7791907. The reversal of 7791882 is 2881977.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4219 + ... + 5777.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 2^7791882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7791882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9603360).

7791882 is an abundant number, since it is smaller than the sum of its proper divisors (11414838).

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

7791882 is a wasteful number, since it uses less digits than its factorization.

7791882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1588 counting only the distinct ones).

The product of its digits is 56448, while the sum is 42.

The square root of 7791882 is about 2791.3942752682. The cubic root of 7791882 is about 198.2504228616.

The spelling of 7791882 in words is "seven million, seven hundred ninety-one thousand, eight hundred eighty-two".