772230431616 has 128 divisors (see below), whose sum is σ = 2401448636160. Its totient is φ = 215255838720.

The previous prime is 772230431591. The next prime is 772230431683. The reversal of 772230431616 is 616134032277.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393306 + ... + 3613721.

It is an arithmetic number, because the mean of its divisors is an integer number (18761317470).

Almost surely, 2^772230431616 is an apocalyptic number.

It is an amenable number.

772230431616 is an abundant number, since it is smaller than the sum of its proper divisors (1629218204544).

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

772230431616 is a wasteful number, since it uses less digits than its factorization.

772230431616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007092 (or 7007080 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 772230431616 in words is "seven hundred seventy-two billion, two hundred thirty million, four hundred thirty-one thousand, six hundred sixteen".