1478079993 has 8 divisors (see below), whose sum is σ = 2122371328. Its totient is φ = 909587664.

The previous prime is 1478079937. The next prime is 1478080001. The reversal of 1478079993 is 3999708741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1478079993 - 2⁶ = 1478079929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478072993) 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 7 ways as a sum of consecutive naturals, for example, 18949705 + ... + 18949782.

It is an arithmetic number, because the mean of its divisors is an integer number (265296416).

Almost surely, 2^1478079993 is an apocalyptic number.

1478079993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1478079993 is a deficient number, since it is larger than the sum of its proper divisors (644291335).

1478079993 is a wasteful number, since it uses less digits than its factorization.

1478079993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37899503.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 1478079993 is about 38445.8059221029. The cubic root of 1478079993 is about 1139.1108263438.

The spelling of 1478079993 in words is "one billion, four hundred seventy-eight million, seventy-nine thousand, nine hundred ninety-three".