65411478 has 48 divisors (see below), whose sum is σ = 163712016. Its totient is φ = 18654720.

The previous prime is 65411419. The next prime is 65411483. The reversal of 65411478 is 87411456.

It is a happy number.

It is a super-2 number, since 2×65411478² = 8557322908288968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6351 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (3410667).

Almost surely, 2^65411478 is an apocalyptic number.

65411478 is an abundant number, since it is smaller than the sum of its proper divisors (98300538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65411478 is a wasteful number, since it uses less digits than its factorization.

65411478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19469 (or 19466 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 65411478 is about 8087.7362716646. The cubic root of 65411478 is about 402.9192226864.

The spelling of 65411478 in words is "sixty-five million, four hundred eleven thousand, four hundred seventy-eight".