65986047 has 12 divisors (see below), whose sum is σ = 95393064. Its totient is φ = 43953840.

The previous prime is 65986043. The next prime is 65986099. The reversal of 65986047 is 74068956.

It is not a de Polignac number, because 65986047 - 2² = 65986043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65985993 and 65986011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65986043) 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, 12328 + ... + 16850.

It is an arithmetic number, because the mean of its divisors is an integer number (7949422).

Almost surely, 2^65986047 is an apocalyptic number.

65986047 is a deficient number, since it is larger than the sum of its proper divisors (29407017).

65986047 is a wasteful number, since it uses less digits than its factorization.

65986047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150 (or 6147 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 65986047 is about 8123.1796114576. The cubic root of 65986047 is about 404.0955215591.

The spelling of 65986047 in words is "sixty-five million, nine hundred eighty-six thousand, forty-seven".