85861677 has 8 divisors (see below), whose sum is σ = 124889760. Its totient is φ = 52037360.

The previous prime is 85861631. The next prime is 85861681. The reversal of 85861677 is 77616858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85861677 - 2⁶ = 85861613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85861177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300902 + ... + 1300967.

It is an arithmetic number, because the mean of its divisors is an integer number (15611220).

Almost surely, 2^85861677 is an apocalyptic number.

It is an amenable number.

85861677 is a deficient number, since it is larger than the sum of its proper divisors (39028083).

85861677 is a wasteful number, since it uses less digits than its factorization.

85861677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601883.

The product of its digits is 564480, while the sum is 48.

The square root of 85861677 is about 9266.1576179126. The cubic root of 85861677 is about 441.1637187080.

It can be divided in two parts, 8 and 5861677, that added together give a palindrome (5861685).

The spelling of 85861677 in words is "eighty-five million, eight hundred sixty-one thousand, six hundred seventy-seven".