773988214756 has 9 divisors (see below), whose sum is σ = 1354482455011. Its totient is φ = 386993227612.

The previous prime is 773988214723. The next prime is 773988214793. The reversal of 773988214756 is 657412889377.

The square root of 773988214756 is 879766.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×773988214756² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 773988214691 and 773988214700.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1539591 + ... + 1979473.

Almost surely, 2^773988214756 is an apocalyptic number.

773988214756 is the 879766-th square number.

It is an amenable number.

773988214756 is a deficient number, since it is larger than the sum of its proper divisors (580494240255).

773988214756 is an frugal number, since it uses more digits than its factorization.

773988214756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879770 (or 439885 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 67.

The spelling of 773988214756 in words is "seven hundred seventy-three billion, nine hundred eighty-eight million, two hundred fourteen thousand, seven hundred fifty-six".