64077273667 has 8 divisors (see below), whose sum is σ = 69960698352. Its totient is φ = 58203552000.

The previous prime is 64077273619. The next prime is 64077273721. The reversal of 64077273667 is 76637277046.

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

It is a de Polignac number, because none of the positive numbers 2^k-64077273667 is a prime.

It is a super-2 number, since 2×64077273667² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64077270667) 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, 2411938 + ... + 2438359.

It is an arithmetic number, because the mean of its divisors is an integer number (8745087294).

Almost surely, 2^64077273667 is an apocalyptic number.

64077273667 is a deficient number, since it is larger than the sum of its proper divisors (5883424685).

64077273667 is a wasteful number, since it uses less digits than its factorization.

64077273667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851509.

The product of its (nonzero) digits is 12446784, while the sum is 55.

The spelling of 64077273667 in words is "sixty-four billion, seventy-seven million, two hundred seventy-three thousand, six hundred sixty-seven".