85901305633 has 16 divisors (see below), whose sum is σ = 103646563776. Its totient is φ = 70136763840.

The previous prime is 85901305597. The next prime is 85901305639. The reversal of 85901305633 is 33650310958.

It is not a de Polignac number, because 85901305633 - 2²⁹ = 85364434721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85901305633.

It is not an unprimeable number, because it can be changed into a prime (85901305639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8112391 + ... + 8122972.

It is an arithmetic number, because the mean of its divisors is an integer number (6477910236).

Almost surely, 2^85901305633 is an apocalyptic number.

It is an amenable number.

85901305633 is a deficient number, since it is larger than the sum of its proper divisors (17745258143).

85901305633 is a wasteful number, since it uses less digits than its factorization.

85901305633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16235424.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 85901305633 in words is "eighty-five billion, nine hundred one million, three hundred five thousand, six hundred thirty-three".