772369610768 has 80 divisors (see below), whose sum is σ = 1740053093760. Its totient is φ = 325251913728.

The previous prime is 772369610767. The next prime is 772369610783. The reversal of 772369610768 is 867016963277.

It is a self number, because there is not a number n which added to its sum of digits gives 772369610768.

It is not an unprimeable number, because it can be changed into a prime (772369610767) 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, 14597096 + ... + 14649912.

It is an arithmetic number, because the mean of its divisors is an integer number (21750663672).

Almost surely, 2^772369610768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772369610768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870026546880).

772369610768 is an abundant number, since it is smaller than the sum of its proper divisors (967683482992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

772369610768 is a wasteful number, since it uses less digits than its factorization.

772369610768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55104 (or 55098 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 772369610768 in words is "seven hundred seventy-two billion, three hundred sixty-nine million, six hundred ten thousand, seven hundred sixty-eight".