85916761 has 8 divisors (see below), whose sum is σ = 99163584. Its totient is φ = 72913200.

The previous prime is 85916737. The next prime is 85916767. The reversal of 85916761 is 16761958.

It is a happy number.

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 85916761 - 2¹⁹ = 85392473 is a prime.

It is a super-2 number, since 2×85916761² = 14763379641462242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85916767) 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, 60055 + ... + 61468.

It is an arithmetic number, because the mean of its divisors is an integer number (12395448).

Almost surely, 2^85916761 is an apocalyptic number.

It is an amenable number.

85916761 is a deficient number, since it is larger than the sum of its proper divisors (13246823).

85916761 is a wasteful number, since it uses less digits than its factorization.

85916761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121631.

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

The square root of 85916761 is about 9269.1294629000. The cubic root of 85916761 is about 441.2580404445.

The spelling of 85916761 in words is "eighty-five million, nine hundred sixteen thousand, seven hundred sixty-one".