778536051030 has 48 divisors (see below), whose sum is σ = 2024245130544. Its totient is φ = 207604342080.

The previous prime is 778536051001. The next prime is 778536051061. The reversal of 778536051030 is 30150635877.

778536051030 is a `hidden beast` number, since 7 + 7 + 8 + 5 + 3 + 605 + 1 + 0 + 30 = 666.

It is a super-2 number, since 2×778536051030² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4543777 + ... + 4712003.

It is an arithmetic number, because the mean of its divisors is an integer number (42171773553).

Almost surely, 2^778536051030 is an apocalyptic number.

778536051030 is an abundant number, since it is smaller than the sum of its proper divisors (1245709079514).

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

778536051030 is a wasteful number, since it uses less digits than its factorization.

778536051030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219661 (or 219658 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 778536051030 in words is "seven hundred seventy-eight billion, five hundred thirty-six million, fifty-one thousand, thirty".