85654129 has 4 divisors (see below), whose sum is σ = 93440880. Its totient is φ = 77867380.

The previous prime is 85654117. The next prime is 85654159. The reversal of 85654129 is 92145658.

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 85654129 - 2¹⁹ = 85129841 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85654091 and 85654100.

It is not an unprimeable number, because it can be changed into a prime (85654159) 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, 3893359 + ... + 3893380.

It is an arithmetic number, because the mean of its divisors is an integer number (23360220).

Almost surely, 2^85654129 is an apocalyptic number.

It is an amenable number.

85654129 is a deficient number, since it is larger than the sum of its proper divisors (7786751).

85654129 is a wasteful number, since it uses less digits than its factorization.

85654129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786750.

The product of its digits is 86400, while the sum is 40.

The square root of 85654129 is about 9254.9515936065. The cubic root of 85654129 is about 440.8079661918.

The spelling of 85654129 in words is "eighty-five million, six hundred fifty-four thousand, one hundred twenty-nine".