86525719 has 6 divisors (see below), whose sum is σ = 100652424. Its totient is φ = 74164860.

The previous prime is 86525713. The next prime is 86525771. The reversal of 86525719 is 91752568.

It is not a de Polignac number, because 86525719 - 2²¹ = 84428567 is a prime.

It is a super-2 number, since 2×86525719² = 14973400096933922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86525713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 882867 + ... + 882964.

It is an arithmetic number, because the mean of its divisors is an integer number (16775404).

Almost surely, 2^86525719 is an apocalyptic number.

86525719 is a deficient number, since it is larger than the sum of its proper divisors (14126705).

86525719 is a wasteful number, since it uses less digits than its factorization.

86525719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765845 (or 1765838 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 86525719 is about 9301.9201781138. The cubic root of 86525719 is about 442.2980984923.

The spelling of 86525719 in words is "eighty-six million, five hundred twenty-five thousand, seven hundred nineteen".