80545041678 has 16 divisors (see below), whose sum is σ = 161112175056. Its totient is φ = 26844665280.

The previous prime is 80545041617. The next prime is 80545041767. The reversal of 80545041678 is 87614054508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872901 + ... + 960752.

It is an arithmetic number, because the mean of its divisors is an integer number (10069510941).

Almost surely, 2^80545041678 is an apocalyptic number.

80545041678 is an abundant number, since it is smaller than the sum of its proper divisors (80567133378).

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

80545041678 is a wasteful number, since it uses less digits than its factorization.

80545041678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840979.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 80545041678 in words is "eighty billion, five hundred forty-five million, forty-one thousand, six hundred seventy-eight".