86251429 has 8 divisors (see below), whose sum is σ = 94435488. Its totient is φ = 78124560.

The previous prime is 86251427. The next prime is 86251447. The reversal of 86251429 is 92415268.

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 86251429 - 2¹ = 86251427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86251427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11107 + ... + 17200.

It is an arithmetic number, because the mean of its divisors is an integer number (11804436).

Almost surely, 2^86251429 is an apocalyptic number.

It is an amenable number.

86251429 is a deficient number, since it is larger than the sum of its proper divisors (8184059).

86251429 is a wasteful number, since it uses less digits than its factorization.

86251429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28595.

The product of its digits is 34560, while the sum is 37.

The square root of 86251429 is about 9287.1647449585. The cubic root of 86251429 is about 441.8302361914.

The spelling of 86251429 in words is "eighty-six million, two hundred fifty-one thousand, four hundred twenty-nine".