6446260077 has 4 divisors (see below), whose sum is σ = 8595013440. Its totient is φ = 4297506716.

The previous prime is 6446260049. The next prime is 6446260127. The reversal of 6446260077 is 7700626446.

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 6446260077 - 2¹⁴ = 6446243693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446240077) 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, 1074376677 + ... + 1074376682.

It is an arithmetic number, because the mean of its divisors is an integer number (2148753360).

Almost surely, 2^6446260077 is an apocalyptic number.

It is an amenable number.

6446260077 is a deficient number, since it is larger than the sum of its proper divisors (2148753363).

6446260077 is a wasteful number, since it uses less digits than its factorization.

6446260077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148753362.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 6446260077 is about 80288.6049013183. The cubic root of 6446260077 is about 1861.0981372339.

The spelling of 6446260077 in words is "six billion, four hundred forty-six million, two hundred sixty thousand, seventy-seven".