83861726521234 has 16 divisors (see below), whose sum is σ = 130255511068800. Its totient is φ = 40446006071184.

The previous prime is 83861726521229. The next prime is 83861726521247. The reversal of 83861726521234 is 43212562716838.

It is a Harshad number since it is a multiple of its sum of digits (58).

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, 695749092 + ... + 695869615.

It is an arithmetic number, because the mean of its divisors is an integer number (8140969441800).

Almost surely, 2^{83861726521234} is an apocalyptic number.

83861726521234 is a deficient number, since it is larger than the sum of its proper divisors (46393784547566).

83861726521234 is a wasteful number, since it uses less digits than its factorization.

83861726521234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391619777.

The product of its digits is 23224320, while the sum is 58.

The spelling of 83861726521234 in words is "eighty-three trillion, eight hundred sixty-one billion, seven hundred twenty-six million, five hundred twenty-one thousand, two hundred thirty-four".