77143800371 has 16 divisors (see below), whose sum is σ = 88081267968. Its totient is φ = 66878829600.

The previous prime is 77143800347. The next prime is 77143800427. The reversal of 77143800371 is 17300834177.

It is not a de Polignac number, because 77143800371 - 2¹⁰ = 77143799347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77143800311) by changing a digit.

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, 376856 + ... + 544341.

It is an arithmetic number, because the mean of its divisors is an integer number (5505079248).

Almost surely, 2^77143800371 is an apocalyptic number.

77143800371 is a deficient number, since it is larger than the sum of its proper divisors (10937467597).

77143800371 is a wasteful number, since it uses less digits than its factorization.

77143800371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921562.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 77143800371 in words is "seventy-seven billion, one hundred forty-three million, eight hundred thousand, three hundred seventy-one".