85001761 has 12 divisors (see below), whose sum is σ = 93429552. Its totient is φ = 77281776.

The previous prime is 85001759. The next prime is 85001809. The reversal of 85001761 is 16710058.

It is a happy number.

It is not a de Polignac number, because 85001761 - 2¹ = 85001759 is a prime.

It is a super-2 number, since 2×85001761² = 14450598746202242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85001461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7570 + ... + 15076.

It is an arithmetic number, because the mean of its divisors is an integer number (7785796).

Almost surely, 2^85001761 is an apocalyptic number.

It is an amenable number.

85001761 is a deficient number, since it is larger than the sum of its proper divisors (8427791).

85001761 is a wasteful number, since it uses less digits than its factorization.

85001761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 85001761 is about 9219.6399604323. The cubic root of 85001761 is about 439.6860035937.

The spelling of 85001761 in words is "eighty-five million, one thousand, seven hundred sixty-one".