791235216 has 120 divisors (see below), whose sum is σ = 2431656864. Its totient is φ = 248209920.

The previous prime is 791235197. The next prime is 791235229. The reversal of 791235216 is 612532197.

791235216 is a `hidden beast` number, since 7 + 9 + 123 + 521 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60111 + ... + 72081.

Almost surely, 2^791235216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791235216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215828432).

791235216 is an abundant number, since it is smaller than the sum of its proper divisors (1640421648).

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

791235216 is a wasteful number, since it uses less digits than its factorization.

791235216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011 (or 11993 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 791235216 is about 28128.9035691049. The cubic root of 791235216 is about 924.9150994880.

The spelling of 791235216 in words is "seven hundred ninety-one million, two hundred thirty-five thousand, two hundred sixteen".