80964477 has 12 divisors (see below), whose sum is σ = 127580544. Its totient is φ = 49069320.

The previous prime is 80964407. The next prime is 80964487. The reversal of 80964477 is 77446908.

It is not a de Polignac number, because 80964477 - 2¹² = 80960381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80964407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408813 + ... + 409010.

It is an arithmetic number, because the mean of its divisors is an integer number (10631712).

Almost surely, 2^80964477 is an apocalyptic number.

It is an amenable number.

80964477 is a deficient number, since it is larger than the sum of its proper divisors (46616067).

80964477 is a wasteful number, since it uses less digits than its factorization.

80964477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817840 (or 817837 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 80964477 is about 8998.0262835802. The cubic root of 80964477 is about 432.6116111875.

The spelling of 80964477 in words is "eighty million, nine hundred sixty-four thousand, four hundred seventy-seven".