77244195601 has 24 divisors (see below), whose sum is σ = 85545046080. Its totient is φ = 69604644384.

The previous prime is 77244195599. The next prime is 77244195617. The reversal of 77244195601 is 10659144277.

It is not a de Polignac number, because 77244195601 - 2¹ = 77244195599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77244195701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1460251 + ... + 1512223.

It is an arithmetic number, because the mean of its divisors is an integer number (3564376920).

Almost surely, 2^77244195601 is an apocalyptic number.

It is an amenable number.

77244195601 is a deficient number, since it is larger than the sum of its proper divisors (8300850479).

77244195601 is a wasteful number, since it uses less digits than its factorization.

77244195601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52213 (or 52194 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 77244195601 in words is "seventy-seven billion, two hundred forty-four million, one hundred ninety-five thousand, six hundred one".