612776989380 has 96 divisors (see below), whose sum is σ = 1768493510784. Its totient is φ = 158441923584.

The previous prime is 612776989373. The next prime is 612776989421. The reversal of 612776989380 is 83989677216.

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 31 ways as a sum of consecutive naturals, for example, 513367 + ... + 1220286.

It is an arithmetic number, because the mean of its divisors is an integer number (18421807404).

Almost surely, 2^612776989380 is an apocalyptic number.

612776989380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612776989380 is an abundant number, since it is smaller than the sum of its proper divisors (1155716521404).

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

612776989380 is a wasteful number, since it uses less digits than its factorization.

612776989380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733845 (or 1733843 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 612776989380 in words is "six hundred twelve billion, seven hundred seventy-six million, nine hundred eighty-nine thousand, three hundred eighty".