65879091 has 12 divisors (see below), whose sum is σ = 95909632. Its totient is φ = 43572816.

The previous prime is 65879083. The next prime is 65879111. The reversal of 65879091 is 19097856.

It is not a de Polignac number, because 65879091 - 2³ = 65879083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65879071) 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, 27676 + ... + 29961.

Almost surely, 2^65879091 is an apocalyptic number.

65879091 is a deficient number, since it is larger than the sum of its proper divisors (30030541).

65879091 is a wasteful number, since it uses less digits than its factorization.

65879091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57770 (or 57767 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 65879091 is about 8116.5935588768. The cubic root of 65879091 is about 403.8770722786.

The spelling of 65879091 in words is "sixty-five million, eight hundred seventy-nine thousand, ninety-one".