80992701 has 6 divisors (see below), whose sum is σ = 116989470. Its totient is φ = 53995128.

The previous prime is 80992669. The next prime is 80992727. The reversal of 80992701 is 10729908.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45887076 + 35105625 = 6774^2 + 5925^2 .

It is not a de Polignac number, because 80992701 - 2⁵ = 80992669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80992501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4499586 + ... + 4499603.

It is an arithmetic number, because the mean of its divisors is an integer number (19498245).

Almost surely, 2^80992701 is an apocalyptic number.

It is an amenable number.

80992701 is a deficient number, since it is larger than the sum of its proper divisors (35996769).

80992701 is a wasteful number, since it uses less digits than its factorization.

80992701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8999195 (or 8999192 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 80992701 is about 8999.5944908646. The cubic root of 80992701 is about 432.6618744307.

The spelling of 80992701 in words is "eighty million, nine hundred ninety-two thousand, seven hundred one".