80043731651877 has 32 divisors (see below), whose sum is σ = 125015612789760. Its totient is φ = 44601235459200.

The previous prime is 80043731651843. The next prime is 80043731651921. The reversal of 80043731651877 is 77815613734008.

It is not a de Polignac number, because 80043731651877 - 2¹⁴ = 80043731635493 is a prime.

It is a super-2 number, since 2×80043731651877² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80043731651877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80043731651837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73202727 + ... + 74288132.

It is an arithmetic number, because the mean of its divisors is an integer number (3906737899680).

Almost surely, 2^{80043731651877} is an apocalyptic number.

It is an amenable number.

80043731651877 is a deficient number, since it is larger than the sum of its proper divisors (44971881137883).

80043731651877 is a wasteful number, since it uses less digits than its factorization.

80043731651877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147491513.

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 80043731651877 in words is "eighty trillion, forty-three billion, seven hundred thirty-one million, six hundred fifty-one thousand, eight hundred seventy-seven".