60091865 has 8 divisors (see below), whose sum is σ = 72421128. Its totient is φ = 47866240.

The previous prime is 60091861. The next prime is 60091879. The reversal of 60091865 is 56819006.

It can be written as a sum of positive squares in 4 ways, for example, as 2271049 + 57820816 = 1507^2 + 7604^2 .

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

It is not a de Polignac number, because 60091865 - 2² = 60091861 is a prime.

It is a super-2 number, since 2×60091865² = 7222064478356450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60091861) 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, 24626 + ... + 26955.

It is an arithmetic number, because the mean of its divisors is an integer number (9052641).

Almost surely, 2^60091865 is an apocalyptic number.

It is an amenable number.

60091865 is a deficient number, since it is larger than the sum of its proper divisors (12329263).

60091865 is a wasteful number, since it uses less digits than its factorization.

60091865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51819.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 60091865 is about 7751.8942846249. The cubic root of 60091865 is about 391.6864618535.

The spelling of 60091865 in words is "sixty million, ninety-one thousand, eight hundred sixty-five".