772197215613 has 8 divisors (see below), whose sum is σ = 1042001062368. Its totient is φ = 508595756304.

The previous prime is 772197215611. The next prime is 772197215617. The reversal of 772197215613 is 316512791277.

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

It is not a de Polignac number, because 772197215613 - 2¹ = 772197215611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772197215611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550596570 + ... + 1550597067.

It is an arithmetic number, because the mean of its divisors is an integer number (130250132796).

Almost surely, 2^772197215613 is an apocalyptic number.

It is an amenable number.

772197215613 is a deficient number, since it is larger than the sum of its proper divisors (269803846755).

772197215613 is a wasteful number, since it uses less digits than its factorization.

772197215613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101193723.

The product of its digits is 1111320, while the sum is 51.

The spelling of 772197215613 in words is "seven hundred seventy-two billion, one hundred ninety-seven million, two hundred fifteen thousand, six hundred thirteen".