85242691929 has 8 divisors (see below), whose sum is σ = 113701521600. Its totient is φ = 56806161776.

The previous prime is 85242691913. The next prime is 85242691939. The reversal of 85242691929 is 92919624258.

It is a happy number.

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 85242691929 - 2⁴ = 85242691913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85242691909) 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, 5565957 + ... + 5581250.

It is an arithmetic number, because the mean of its divisors is an integer number (14212690200).

Almost surely, 2^85242691929 is an apocalyptic number.

It is an amenable number.

85242691929 is a deficient number, since it is larger than the sum of its proper divisors (28458829671).

85242691929 is a wasteful number, since it uses less digits than its factorization.

85242691929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149759.

The product of its digits is 5598720, while the sum is 57.

The spelling of 85242691929 in words is "eighty-five billion, two hundred forty-two million, six hundred ninety-one thousand, nine hundred twenty-nine".