80841521776 has 20 divisors (see below), whose sum is σ = 157254481944. Its totient is φ = 40259720000.

The previous prime is 80841521771. The next prime is 80841521821. The reversal of 80841521776 is 67712514808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80841521771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060915 + ... + 10068946.

Almost surely, 2^80841521776 is an apocalyptic number.

It is an amenable number.

80841521776 is a deficient number, since it is larger than the sum of its proper divisors (76412960168).

80841521776 is a wasteful number, since it uses less digits than its factorization.

80841521776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20130120 (or 20130114 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 80841521776 in words is "eighty billion, eight hundred forty-one million, five hundred twenty-one thousand, seven hundred seventy-six".