860427749 has 16 divisors (see below), whose sum is σ = 962902080. Its totient is φ = 764064000.

The previous prime is 860427707. The next prime is 860427751. The reversal of 860427749 is 947724068.

860427749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 860427749 - 2²⁰ = 859379173 is a prime.

It is a super-2 number, since 2×860427749² = 1480671822498414002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860427779) 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, 75767 + ... + 86379.

It is an arithmetic number, because the mean of its divisors is an integer number (60181380).

Almost surely, 2^860427749 is an apocalyptic number.

It is an amenable number.

860427749 is a deficient number, since it is larger than the sum of its proper divisors (102474331).

860427749 is a wasteful number, since it uses less digits than its factorization.

860427749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10900.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 860427749 is about 29333.0487505135. The cubic root of 860427749 is about 951.1261802283.

The spelling of 860427749 in words is "eight hundred sixty million, four hundred twenty-seven thousand, seven hundred forty-nine".