85901947 has 8 divisors (see below), whose sum is σ = 88934976. Its totient is φ = 82919232.

The previous prime is 85901909. The next prime is 85901951. The reversal of 85901947 is 74910958.

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 85901947 - 2¹¹ = 85899899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85901747) 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, 9088 + ... + 15949.

It is an arithmetic number, because the mean of its divisors is an integer number (11116872).

Almost surely, 2^85901947 is an apocalyptic number.

85901947 is a deficient number, since it is larger than the sum of its proper divisors (3033029).

85901947 is a wasteful number, since it uses less digits than its factorization.

85901947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25157.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 85901947 is about 9268.3303242817. The cubic root of 85901947 is about 441.2326780190.

The spelling of 85901947 in words is "eighty-five million, nine hundred one thousand, nine hundred forty-seven".