85626807929 has 8 divisors (see below), whose sum is σ = 92258738880. Its totient is φ = 79001341776.

The previous prime is 85626807923. The next prime is 85626807941. The reversal of 85626807929 is 92970862658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85626807929 is a prime.

It is a super-2 number, since 2×85626807929² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85626807923) 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, 1588667 + ... + 1641680.

It is an arithmetic number, because the mean of its divisors is an integer number (11532342360).

Almost surely, 2^85626807929 is an apocalyptic number.

It is an amenable number.

85626807929 is a deficient number, since it is larger than the sum of its proper divisors (6631930951).

85626807929 is a wasteful number, since it uses less digits than its factorization.

85626807929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232399.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 85626807929 in words is "eighty-five billion, six hundred twenty-six million, eight hundred seven thousand, nine hundred twenty-nine".