86702431 has 16 divisors (see below), whose sum is σ = 96344640. Its totient is φ = 77647360.

The previous prime is 86702393. The next prime is 86702477. The reversal of 86702431 is 13420768.

It is a cyclic number.

It is not a de Polignac number, because 86702431 - 2⁷ = 86702303 is a prime.

It is a super-2 number, since 2×86702431² = 15034623082619522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86702393 and 86702402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86702531) 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 15 ways as a sum of consecutive naturals, for example, 33765 + ... + 36241.

It is an arithmetic number, because the mean of its divisors is an integer number (6021540).

Almost surely, 2^86702431 is an apocalyptic number.

86702431 is a deficient number, since it is larger than the sum of its proper divisors (9642209).

86702431 is a wasteful number, since it uses less digits than its factorization.

86702431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 86702431 is about 9311.4140172156. The cubic root of 86702431 is about 442.5989964385.

The spelling of 86702431 in words is "eighty-six million, seven hundred two thousand, four hundred thirty-one".