80777800333734 has 32 divisors (see below), whose sum is σ = 184755569968896. Its totient is φ = 23064296801760.

The previous prime is 80777800333729. The next prime is 80777800333793. The reversal of 80777800333734 is 43733300877708.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628048357 + ... + 628176960.

It is an arithmetic number, because the mean of its divisors is an integer number (5773611561528).

Almost surely, 2^{80777800333734} is an apocalyptic number.

80777800333734 is an abundant number, since it is smaller than the sum of its proper divisors (103977769635162).

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

80777800333734 is a wasteful number, since it uses less digits than its factorization.

80777800333734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256226860.

The product of its (nonzero) digits is 49787136, while the sum is 60.

The spelling of 80777800333734 in words is "eighty trillion, seven hundred seventy-seven billion, eight hundred million, three hundred thirty-three thousand, seven hundred thirty-four".