80872453 has 2 divisors, whose sum is σ = 80872454. Its totient is φ = 80872452.

The previous prime is 80872433. The next prime is 80872469. The reversal of 80872453 is 35427808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62062884 + 18809569 = 7878^2 + 4337^2 .

It is a cyclic number.

It is not a de Polignac number, because 80872453 - 2¹³ = 80864261 is a prime.

It is a super-3 number, since 3×80872453³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80872403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40436226 + 40436227.

It is an arithmetic number, because the mean of its divisors is an integer number (40436227).

Almost surely, 2^80872453 is an apocalyptic number.

It is an amenable number.

80872453 is a deficient number, since it is larger than the sum of its proper divisors (1).

80872453 is an equidigital number, since it uses as much as digits as its factorization.

80872453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 80872453 is about 8992.9112638789. The cubic root of 80872453 is about 432.4476473324.

The spelling of 80872453 in words is "eighty million, eight hundred seventy-two thousand, four hundred fifty-three".