65441278 has 8 divisors (see below), whose sum is σ = 112185072. Its totient is φ = 28046256.

The previous prime is 65441269. The next prime is 65441281. The reversal of 65441278 is 87214456.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337175 + ... + 2337202.

It is an arithmetic number, because the mean of its divisors is an integer number (14023134).

Almost surely, 2^65441278 is an apocalyptic number.

65441278 is a deficient number, since it is larger than the sum of its proper divisors (46743794).

65441278 is a wasteful number, since it uses less digits than its factorization.

65441278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674386.

The product of its digits is 53760, while the sum is 37.

The square root of 65441278 is about 8089.5783573682. The cubic root of 65441278 is about 402.9804003792.

The spelling of 65441278 in words is "sixty-five million, four hundred forty-one thousand, two hundred seventy-eight".