80990467 has 4 divisors (see below), whose sum is σ = 81047736. Its totient is φ = 80933200.

The previous prime is 80990453. The next prime is 80990473. The reversal of 80990467 is 76409908.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80990467 - 2¹⁹ = 80466179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80990167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26458 + ... + 29359.

It is an arithmetic number, because the mean of its divisors is an integer number (20261934).

Almost surely, 2^80990467 is an apocalyptic number.

80990467 is a deficient number, since it is larger than the sum of its proper divisors (57269).

80990467 is a wasteful number, since it uses less digits than its factorization.

80990467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57268.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 80990467 is about 8999.4703733053. The cubic root of 80990467 is about 432.6578963952.

The spelling of 80990467 in words is "eighty million, nine hundred ninety thousand, four hundred sixty-seven".