80437740837477 has 16 divisors (see below), whose sum is σ = 110710279913472. Its totient is φ = 51895189629360.

The previous prime is 80437740837469. The next prime is 80437740837491. The reversal of 80437740837477 is 77473804773408.

It is not a de Polignac number, because 80437740837477 - 2³ = 80437740837469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80437740037477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50632528 + ... + 52197014.

It is an arithmetic number, because the mean of its divisors is an integer number (6919392494592).

Almost surely, 2^{80437740837477} is an apocalyptic number.

It is an amenable number.

80437740837477 is a deficient number, since it is larger than the sum of its proper divisors (30272539075995).

80437740837477 is a wasteful number, since it uses less digits than its factorization.

80437740837477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117368.

The product of its (nonzero) digits is 619573248, while the sum is 69.

The spelling of 80437740837477 in words is "eighty trillion, four hundred thirty-seven billion, seven hundred forty million, eight hundred thirty-seven thousand, four hundred seventy-seven".