80494867 has 2 divisors, whose sum is σ = 80494868. Its totient is φ = 80494866.

The previous prime is 80494861. The next prime is 80494907. The reversal of 80494867 is 76849408.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80494867 - 2²³ = 72106259 is a prime.

It is a super-2 number, since 2×80494867² = 12958847226695378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80494861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40247433 + 40247434.

It is an arithmetic number, because the mean of its divisors is an integer number (40247434).

Almost surely, 2^80494867 is an apocalyptic number.

80494867 is a deficient number, since it is larger than the sum of its proper divisors (1).

80494867 is an equidigital number, since it uses as much as digits as its factorization.

80494867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 80494867 is about 8971.8931669966. The cubic root of 80494867 is about 431.7735778349.

The spelling of 80494867 in words is "eighty million, four hundred ninety-four thousand, eight hundred sixty-seven".