80955738 has 12 divisors (see below), whose sum is σ = 175404138. Its totient is φ = 26985240.

The previous prime is 80955737. The next prime is 80955739. The reversal of 80955738 is 83755908.

It is an interprime number because it is at equal distance from previous prime (80955737) and next prime (80955739).

It can be written as a sum of positive squares in only one way, i.e., 71014329 + 9941409 = 8427^2 + 3153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80955693 and 80955702.

It is not an unprimeable number, because it can be changed into a prime (80955731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2248753 + ... + 2248788.

Almost surely, 2^80955738 is an apocalyptic number.

80955738 is an abundant number, since it is smaller than the sum of its proper divisors (94448400).

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

80955738 is a wasteful number, since it uses less digits than its factorization.

80955738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497549 (or 4497546 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 80955738 is about 8997.5406639815. The cubic root of 80955738 is about 432.5960458061.

The spelling of 80955738 in words is "eighty million, nine hundred fifty-five thousand, seven hundred thirty-eight".