865929995942 has 16 divisors (see below), whose sum is σ = 1417016278800. Its totient is φ = 393593454240.

The previous prime is 865929995941. The next prime is 865929995963. The reversal of 865929995942 is 249599929568.

It is a super-2 number, since 2×865929995942² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865929995941) 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, 271484 + ... + 1343712.

It is an arithmetic number, because the mean of its divisors is an integer number (88563517425).

Almost surely, 2^865929995942 is an apocalyptic number.

865929995942 is a deficient number, since it is larger than the sum of its proper divisors (551086282858).

865929995942 is a wasteful number, since it uses less digits than its factorization.

865929995942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108951.

The product of its digits is 1133740800, while the sum is 77.

The spelling of 865929995942 in words is "eight hundred sixty-five billion, nine hundred twenty-nine million, nine hundred ninety-five thousand, nine hundred forty-two".