77330840740 has 12 divisors (see below), whose sum is σ = 162394765596. Its totient is φ = 30932336288.

The previous prime is 77330840737. The next prime is 77330840771. The reversal of 77330840740 is 4704803377.

It can be written as a sum of positive squares in 2 ways, for example, as 33199755264 + 44131085476 = 182208^2 + 210074^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933270999 + ... + 1933271038.

It is an arithmetic number, because the mean of its divisors is an integer number (13532897133).

Almost surely, 2^77330840740 is an apocalyptic number.

It is an amenable number.

77330840740 is an abundant number, since it is smaller than the sum of its proper divisors (85063924856).

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

77330840740 is a wasteful number, since it uses less digits than its factorization.

77330840740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866542046 (or 3866542044 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 77330840740 in words is "seventy-seven billion, three hundred thirty million, eight hundred forty thousand, seven hundred forty".