77450045640071 has 8 divisors (see below), whose sum is σ = 83407886536800. Its totient is φ = 71492225468832.

The previous prime is 77450045640061. The next prime is 77450045640089. The reversal of 77450045640071 is 17004654005477.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77450045640071 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 (77450045640041) 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, 3066230 + ... + 12818028.

It is an arithmetic number, because the mean of its divisors is an integer number (10425985817100).

Almost surely, 2^{77450045640071} is an apocalyptic number.

77450045640071 is a deficient number, since it is larger than the sum of its proper divisors (5957840896729).

77450045640071 is a wasteful number, since it uses less digits than its factorization.

77450045640071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362745.

The product of its (nonzero) digits is 3292800, while the sum is 50.

The spelling of 77450045640071 in words is "seventy-seven trillion, four hundred fifty billion, forty-five million, six hundred forty thousand, seventy-one".