85901955 has 8 divisors (see below), whose sum is σ = 137443152. Its totient is φ = 45814368.

The previous prime is 85901951. The next prime is 85902017. The reversal of 85901955 is 55910958.

It is a happy number.

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

It is not a de Polignac number, because 85901955 - 2² = 85901951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85901951) 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, 2863384 + ... + 2863413.

It is an arithmetic number, because the mean of its divisors is an integer number (17180394).

Almost surely, 2^85901955 is an apocalyptic number.

85901955 is a deficient number, since it is larger than the sum of its proper divisors (51541197).

85901955 is a wasteful number, since it uses less digits than its factorization.

85901955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726805.

The product of its (nonzero) digits is 81000, while the sum is 42.

The square root of 85901955 is about 9268.3307558589. The cubic root of 85901955 is about 441.2326917162.

The spelling of 85901955 in words is "eighty-five million, nine hundred one thousand, nine hundred fifty-five".