85982913 has 12 divisors (see below), whose sum is σ = 124345728. Its totient is φ = 57253560.

The previous prime is 85982899. The next prime is 85982921. The reversal of 85982913 is 31928958.

It is a happy number.

It is not a de Polignac number, because 85982913 - 2⁶ = 85982849 is a prime.

It is a super-2 number, since 2×85982913² = 14786122655931138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85982213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2956 + ... + 13442.

It is an arithmetic number, because the mean of its divisors is an integer number (10362144).

Almost surely, 2^85982913 is an apocalyptic number.

It is an amenable number.

85982913 is a deficient number, since it is larger than the sum of its proper divisors (38362815).

85982913 is a wasteful number, since it uses less digits than its factorization.

85982913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404 (or 11401 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 85982913 is about 9272.6971804325. The cubic root of 85982913 is about 441.3712609347.

It can be divided in two parts, 8598 and 2913, that added together give a palindrome (11511).

The spelling of 85982913 in words is "eighty-five million, nine hundred eighty-two thousand, nine hundred thirteen".