77043437340070 has 32 divisors (see below), whose sum is σ = 138868275402720. Its totient is φ = 30775145333760.

The previous prime is 77043437340061. The next prime is 77043437340083. The reversal of 77043437340070 is 7004373434077.

It is a junction number, because it is equal to n+sod(n) for n = 77043437339996 and 77043437340023.

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 15 ways as a sum of consecutive naturals, for example, 49916625 + ... + 51436915.

It is an arithmetic number, because the mean of its divisors is an integer number (4339633606335).

Almost surely, 2^{77043437340070} is an apocalyptic number.

77043437340070 is a deficient number, since it is larger than the sum of its proper divisors (61824838062650).

77043437340070 is a wasteful number, since it uses less digits than its factorization.

77043437340070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527240.

The product of its (nonzero) digits is 4148928, while the sum is 49.

The spelling of 77043437340070 in words is "seventy-seven trillion, forty-three billion, four hundred thirty-seven million, three hundred forty thousand, seventy".