861332802 has 16 divisors (see below), whose sum is σ = 1879271712. Its totient is φ = 261009920.

The previous prime is 861332789. The next prime is 861332807. The reversal of 861332802 is 208233168.

861332802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (861332807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6525183 + ... + 6525314.

It is an arithmetic number, because the mean of its divisors is an integer number (117454482).

Almost surely, 2^861332802 is an apocalyptic number.

861332802 is an abundant number, since it is smaller than the sum of its proper divisors (1017938910).

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

861332802 is a wasteful number, since it uses less digits than its factorization.

861332802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13050513.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 861332802 is about 29348.4718852618. The cubic root of 861332802 is about 951.4595485088.

The spelling of 861332802 in words is "eight hundred sixty-one million, three hundred thirty-two thousand, eight hundred two".