80955097544 has 8 divisors (see below), whose sum is σ = 151790807910. Its totient is φ = 40477548768.

The previous prime is 80955097507. The next prime is 80955097549. The reversal of 80955097544 is 44579055908.

It can be written as a sum of positive squares in only one way, i.e., 68310095044 + 12645002500 = 261362^2 + 112450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 80955097544.

It is not an unprimeable number, because it can be changed into a prime (80955097549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5059693589 + ... + 5059693604.

Almost surely, 2^80955097544 is an apocalyptic number.

It is an amenable number.

80955097544 is a deficient number, since it is larger than the sum of its proper divisors (70835710366).

80955097544 is a wasteful number, since it uses less digits than its factorization.

80955097544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119387199 (or 10119387195 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 80955097544 in words is "eighty billion, nine hundred fifty-five million, ninety-seven thousand, five hundred forty-four".