772807488 has 112 divisors (see below), whose sum is σ = 2202240960. Its totient is φ = 238280704.

The previous prime is 772807433. The next prime is 772807531. The reversal of 772807488 is 884708277.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 772807488.

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, 190570 + ... + 194582.

Almost surely, 2^772807488 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 772807488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101120480).

772807488 is an abundant number, since it is smaller than the sum of its proper divisors (1429433472).

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

772807488 is a wasteful number, since it uses less digits than its factorization.

772807488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104 (or 4094 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 51.

The square root of 772807488 is about 27799.4152456486. The cubic root of 772807488 is about 917.6782540658.

The spelling of 772807488 in words is "seven hundred seventy-two million, eight hundred seven thousand, four hundred eighty-eight".