773316523420 has 576 divisors, whose sum is σ = 2144147023872. Its totient is φ = 228501504000.

The previous prime is 773316523381. The next prime is 773316523537. The reversal of 773316523420 is 24325613377.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3665007115 + ... + 3665007325.

It is an arithmetic number, because the mean of its divisors is an integer number (3722477472).

Almost surely, 2^773316523420 is an apocalyptic number.

773316523420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773316523420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072073511936).

773316523420 is an abundant number, since it is smaller than the sum of its proper divisors (1370830500452).

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

773316523420 is a wasteful number, since it uses less digits than its factorization.

773316523420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 43.

The spelling of 773316523420 in words is "seven hundred seventy-three billion, three hundred sixteen million, five hundred twenty-three thousand, four hundred twenty".