86788429 has 12 divisors (see below), whose sum is σ = 107404896. Its totient is φ = 68666832.

The previous prime is 86788423. The next prime is 86788441. The reversal of 86788429 is 92488768.

It is a de Polignac number, because none of the positive numbers 2^k-86788429 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 (86788423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35499 + ... + 37864.

It is an arithmetic number, because the mean of its divisors is an integer number (8950408).

Almost surely, 2^86788429 is an apocalyptic number.

It is an amenable number.

86788429 is a deficient number, since it is larger than the sum of its proper divisors (20616467).

86788429 is a wasteful number, since it uses less digits than its factorization.

86788429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73396 (or 73383 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 86788429 is about 9316.0307534915. The cubic root of 86788429 is about 442.7452824212.

The spelling of 86788429 in words is "eighty-six million, seven hundred eighty-eight thousand, four hundred twenty-nine".