85931101 has 4 divisors (see below), whose sum is σ = 88703104. Its totient is φ = 83159100.

The previous prime is 85931063. The next prime is 85931117. The reversal of 85931101 is 10113958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10113958 = 2 ⋅5056979.

It is a cyclic number.

It is not a de Polignac number, because 85931101 - 2⁹ = 85930589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85931101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85931161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385955 + ... + 1386016.

It is an arithmetic number, because the mean of its divisors is an integer number (22175776).

Almost surely, 2^85931101 is an apocalyptic number.

It is an amenable number.

85931101 is a deficient number, since it is larger than the sum of its proper divisors (2772003).

85931101 is a wasteful number, since it uses less digits than its factorization.

85931101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772002.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 85931101 is about 9269.9029660509. The cubic root of 85931101 is about 441.2825885777.

The spelling of 85931101 in words is "eighty-five million, nine hundred thirty-one thousand, one hundred one".