77773340001 has 16 divisors (see below), whose sum is σ = 125483036544. Its totient is φ = 41827678464.

The previous prime is 77773339991. The next prime is 77773340003. The reversal of 77773340001 is 10004337777.

It is not a de Polignac number, because 77773340001 - 2⁶ = 77773339937 is a prime.

It is a super-2 number, since 2×77773340001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77773340003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108925890 + ... + 108926603.

It is an arithmetic number, because the mean of its divisors is an integer number (7842689784).

Almost surely, 2^77773340001 is an apocalyptic number.

It is an amenable number.

77773340001 is a deficient number, since it is larger than the sum of its proper divisors (47709696543).

77773340001 is a wasteful number, since it uses less digits than its factorization.

77773340001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217852520.

The product of its (nonzero) digits is 86436, while the sum is 39.

Adding to 77773340001 its reverse (10004337777), we get a palindrome (87777677778).

The spelling of 77773340001 in words is "seventy-seven billion, seven hundred seventy-three million, three hundred forty thousand, one".