861052792 has 32 divisors (see below), whose sum is σ = 1701043200. Its totient is φ = 407484000.

The previous prime is 861052747. The next prime is 861052793. The reversal of 861052792 is 297250168.

It is a super-2 number, since 2×861052792² = 1482823821221990528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861052793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221667 + ... + 225517.

It is an arithmetic number, because the mean of its divisors is an integer number (53157600).

Almost surely, 2^861052792 is an apocalyptic number.

It is an amenable number.

861052792 is a deficient number, since it is larger than the sum of its proper divisors (839990408).

861052792 is a wasteful number, since it uses less digits than its factorization.

861052792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347 (or 5343 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 861052792 is about 29343.7010617270. The cubic root of 861052792 is about 951.3564342566.

The spelling of 861052792 in words is "eight hundred sixty-one million, fifty-two thousand, seven hundred ninety-two".