80739701 has 12 divisors (see below), whose sum is σ = 96214860. Its totient is φ = 67515840.

The previous prime is 80739689. The next prime is 80739707. The reversal of 80739701 is 10793708.

It can be written as a sum of positive squares in 2 ways, for example, as 2328676 + 78411025 = 1526^2 + 8855^2 .

It is not a de Polignac number, because 80739701 - 2¹⁴ = 80723317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80739707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18086 + ... + 22103.

It is an arithmetic number, because the mean of its divisors is an integer number (8017905).

Almost surely, 2^80739701 is an apocalyptic number.

It is an amenable number.

80739701 is a deficient number, since it is larger than the sum of its proper divisors (15475159).

80739701 is a wasteful number, since it uses less digits than its factorization.

80739701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40244 (or 40237 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 80739701 is about 8985.5273078434. The cubic root of 80739701 is about 432.2108970402.

The spelling of 80739701 in words is "eighty million, seven hundred thirty-nine thousand, seven hundred one".