65264477 has 4 divisors (see below), whose sum is σ = 66050880. Its totient is φ = 64478076.

The previous prime is 65264473. The next prime is 65264527. The reversal of 65264477 is 77446256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65264477 - 2² = 65264473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65264473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393077 + ... + 393242.

It is an arithmetic number, because the mean of its divisors is an integer number (16512720).

Almost surely, 2^65264477 is an apocalyptic number.

It is an amenable number.

65264477 is a deficient number, since it is larger than the sum of its proper divisors (786403).

65264477 is an equidigital number, since it uses as much as digits as its factorization.

65264477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786402.

The product of its digits is 282240, while the sum is 41.

The square root of 65264477 is about 8078.6432648063. The cubic root of 65264477 is about 402.6171658440.

The spelling of 65264477 in words is "sixty-five million, two hundred sixty-four thousand, four hundred seventy-seven".