86002491 has 4 divisors (see below), whose sum is σ = 114669992. Its totient is φ = 57334992.

The previous prime is 86002489. The next prime is 86002523. The reversal of 86002491 is 19420068.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86002491 - 2¹ = 86002489 is a prime.

It is a super-3 number, since 3×86002491³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86002291) 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, 14333746 + ... + 14333751.

It is an arithmetic number, because the mean of its divisors is an integer number (28667498).

Almost surely, 2^86002491 is an apocalyptic number.

86002491 is a deficient number, since it is larger than the sum of its proper divisors (28667501).

86002491 is a wasteful number, since it uses less digits than its factorization.

86002491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28667500.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 86002491 is about 9273.7528002422. The cubic root of 86002491 is about 441.4047579420.

The spelling of 86002491 in words is "eighty-six million, two thousand, four hundred ninety-one".