77568001 has 16 divisors (see below), whose sum is σ = 92657664. Its totient is φ = 63547344.

The previous prime is 77567999. The next prime is 77568047. The reversal of 77568001 is 10086577.

It is not a de Polignac number, because 77568001 - 2¹ = 77567999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77568401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11406 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (5791104).

Almost surely, 2^77568001 is an apocalyptic number.

It is an amenable number.

77568001 is a deficient number, since it is larger than the sum of its proper divisors (15089663).

77568001 is a wasteful number, since it uses less digits than its factorization.

77568001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 77568001 is about 8807.2697812659. The cubic root of 77568001 is about 426.4756107358.

The spelling of 77568001 in words is "seventy-seven million, five hundred sixty-eight thousand, one".