85724051102 has 16 divisors (see below), whose sum is σ = 132791017632. Its totient is φ = 41473179360.

The previous prime is 85724051099. The next prime is 85724051117. The reversal of 85724051102 is 20115042758.

It is a super-2 number, since 2×85724051102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3186698 + ... + 3213485.

It is an arithmetic number, because the mean of its divisors is an integer number (8299438602).

Almost surely, 2^85724051102 is an apocalyptic number.

85724051102 is a deficient number, since it is larger than the sum of its proper divisors (47066966530).

85724051102 is a wasteful number, since it uses less digits than its factorization.

85724051102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400403.

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 85724051102 in words is "eighty-five billion, seven hundred twenty-four million, fifty-one thousand, one hundred two".