80081478 has 24 divisors (see below), whose sum is σ = 174047016. Its totient is φ = 26611200.

The previous prime is 80081473. The next prime is 80081483. The reversal of 80081478 is 87418008.

It is an interprime number because it is at equal distance from previous prime (80081473) and next prime (80081483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80081473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763 + ... + 12678.

It is an arithmetic number, because the mean of its divisors is an integer number (7251959).

Almost surely, 2^80081478 is an apocalyptic number.

80081478 is an abundant number, since it is smaller than the sum of its proper divisors (93965538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80081478 is a wasteful number, since it uses less digits than its factorization.

80081478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13780 (or 13777 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 80081478 is about 8948.8255095292. The cubic root of 80081478 is about 431.0331708975.

The spelling of 80081478 in words is "eighty million, eighty-one thousand, four hundred seventy-eight".