80783001 has 20 divisors (see below), whose sum is σ = 129960292. Its totient is φ = 49711968.

The previous prime is 80782973. The next prime is 80783011. The reversal of 80783001 is 10038708.

It can be written as a sum of positive squares in 2 ways, for example, as 36905625 + 43877376 = 6075^2 + 6624^2 .

It is not a de Polignac number, because 80783001 - 2⁷ = 80782873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80783011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37306 + ... + 39411.

Almost surely, 2^80783001 is an apocalyptic number.

80783001 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80783001 is a deficient number, since it is larger than the sum of its proper divisors (49177291).

80783001 is a wasteful number, since it uses less digits than its factorization.

80783001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76742 (or 76733 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 80783001 is about 8987.9364149954. The cubic root of 80783001 is about 432.2881468817.

The spelling of 80783001 in words is "eighty million, seven hundred eighty-three thousand, one".