85101886724 has 6 divisors (see below), whose sum is σ = 148928301774. Its totient is φ = 42550943360.

The previous prime is 85101886721. The next prime is 85101886739. The reversal of 85101886724 is 42768810158.

It can be written as a sum of positive squares in only one way, i.e., 55775324224 + 29326562500 = 236168^2 + 171250^2 .

It is a super-2 number, since 2×85101886724² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85101886721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10637735837 + ... + 10637735844.

It is an arithmetic number, because the mean of its divisors is an integer number (24821383629).

Almost surely, 2^85101886724 is an apocalyptic number.

It is an amenable number.

85101886724 is a deficient number, since it is larger than the sum of its proper divisors (63826415050).

85101886724 is a wasteful number, since it uses less digits than its factorization.

85101886724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21275471685 (or 21275471683 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 85101886724 in words is "eighty-five billion, one hundred one million, eight hundred eighty-six thousand, seven hundred twenty-four".