65476487 has 8 divisors (see below), whose sum is σ = 68002176. Its totient is φ = 62996472.

The previous prime is 65476457. The next prime is 65476493. The reversal of 65476487 is 78467456.

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 65476487 - 2¹² = 65472391 is a prime.

It is a super-2 number, since 2×65476487² = 8574340699722338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65476457) 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, 8483 + ... + 14244.

It is an arithmetic number, because the mean of its divisors is an integer number (8500272).

Almost surely, 2^65476487 is an apocalyptic number.

65476487 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

65476487 is a deficient number, since it is larger than the sum of its proper divisors (2525689).

65476487 is a wasteful number, since it uses less digits than its factorization.

65476487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22837.

The product of its digits is 1128960, while the sum is 47.

The square root of 65476487 is about 8091.7542597387. The cubic root of 65476487 is about 403.0526585091.

The spelling of 65476487 in words is "sixty-five million, four hundred seventy-six thousand, four hundred eighty-seven".