86429154129 has 4 divisors (see below), whose sum is σ = 115238872176. Its totient is φ = 57619436084.

The previous prime is 86429154089. The next prime is 86429154143. The reversal of 86429154129 is 92145192468.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86429154129 - 2¹⁹ = 86428629841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86429154529) 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, 14404859019 + ... + 14404859024.

It is an arithmetic number, because the mean of its divisors is an integer number (28809718044).

Almost surely, 2^86429154129 is an apocalyptic number.

It is an amenable number.

86429154129 is a deficient number, since it is larger than the sum of its proper divisors (28809718047).

86429154129 is a wasteful number, since it uses less digits than its factorization.

86429154129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28809718046.

The product of its digits is 1244160, while the sum is 51.

The spelling of 86429154129 in words is "eighty-six billion, four hundred twenty-nine million, one hundred fifty-four thousand, one hundred twenty-nine".