772371365513 has 4 divisors (see below), whose sum is σ = 842586944208. Its totient is φ = 702155786820.

The previous prime is 772371365489. The next prime is 772371365551. The reversal of 772371365513 is 315563173277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772371365513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772371361513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35107789331 + ... + 35107789352.

It is an arithmetic number, because the mean of its divisors is an integer number (210646736052).

Almost surely, 2^772371365513 is an apocalyptic number.

It is an amenable number.

772371365513 is a deficient number, since it is larger than the sum of its proper divisors (70215578695).

772371365513 is a wasteful number, since it uses less digits than its factorization.

772371365513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70215578694.

The product of its digits is 2778300, while the sum is 50.

The spelling of 772371365513 in words is "seven hundred seventy-two billion, three hundred seventy-one million, three hundred sixty-five thousand, five hundred thirteen".