77200020001 has 8 divisors (see below), whose sum is σ = 83556267200. Its totient is φ = 70903456272.

The previous prime is 77200019987. The next prime is 77200020017. The reversal of 77200020001 is 10002000277.

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

It is a cyclic number.

It is not a de Polignac number, because 77200020001 - 2⁵ = 77200019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77200020071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14918175 + ... + 14923348.

It is an arithmetic number, because the mean of its divisors is an integer number (10444533400).

Almost surely, 2^77200020001 is an apocalyptic number.

It is an amenable number.

77200020001 is a deficient number, since it is larger than the sum of its proper divisors (6356247199).

77200020001 is a wasteful number, since it uses less digits than its factorization.

77200020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29841735.

The product of its (nonzero) digits is 196, while the sum is 19.

Adding to 77200020001 its reverse (10002000277), we get a palindrome (87202020278).

The spelling of 77200020001 in words is "seventy-seven billion, two hundred million, twenty thousand, one".