86149949742 has 12 divisors (see below), whose sum is σ = 186658224480. Its totient is φ = 28716649908.

The previous prime is 86149949741. The next prime is 86149949749. The reversal of 86149949742 is 24794994168.

86149949742 is a `hidden beast` number, since 8 + 6 + 14 + 99 + 497 + 42 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 86149949742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86149949741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2393054142 + ... + 2393054177.

It is an arithmetic number, because the mean of its divisors is an integer number (15554852040).

Almost surely, 2^86149949742 is an apocalyptic number.

86149949742 is an abundant number, since it is smaller than the sum of its proper divisors (100508274738).

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

86149949742 is a wasteful number, since it uses less digits than its factorization.

86149949742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786108327 (or 4786108324 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 86149949742 in words is "eighty-six billion, one hundred forty-nine million, nine hundred forty-nine thousand, seven hundred forty-two".