776736540160 has 240 divisors, whose sum is σ = 2224986404256. Its totient is φ = 254727880704.

The previous prime is 776736540143. The next prime is 776736540191. The reversal of 776736540160 is 61045637677.

It is a junction number, because it is equal to n+sod(n) for n = 776736540098 and 776736540107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9438712 + ... + 9520648.

Almost surely, 2^776736540160 is an apocalyptic number.

776736540160 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 776736540160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112493202128).

776736540160 is an abundant number, since it is smaller than the sum of its proper divisors (1448249864096).

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

776736540160 is an equidigital number, since it uses as much as digits as its factorization.

776736540160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82013 (or 81974 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 776736540160 in words is "seven hundred seventy-six billion, seven hundred thirty-six million, five hundred forty thousand, one hundred sixty".