64076836827 has 18 divisors (see below), whose sum is σ = 86349731484. Its totient is φ = 42265712400.

The previous prime is 64076836819. The next prime is 64076836903. The reversal of 64076836827 is 72863867046.

It is not a de Polignac number, because 64076836827 - 2³ = 64076836819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64076836427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44281818 + ... + 44283264.

Almost surely, 2^64076836827 is an apocalyptic number.

64076836827 is a deficient number, since it is larger than the sum of its proper divisors (22272894657).

64076836827 is an frugal number, since it uses more digits than its factorization.

64076836827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 64076836827 in words is "sixty-four billion, seventy-six million, eight hundred thirty-six thousand, eight hundred twenty-seven".