1478875081 has 4 divisors (see below), whose sum is σ = 1484101072. Its totient is φ = 1473649092.

The previous prime is 1478875063. The next prime is 1478875129. The reversal of 1478875081 is 1805788741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1478875081 - 2¹⁷ = 1478744009 is a prime.

It is a super-2 number, since 2×1478875081² = 4374143010405513122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478875001) 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, 2612571 + ... + 2613136.

It is an arithmetic number, because the mean of its divisors is an integer number (371025268).

Almost surely, 2^1478875081 is an apocalyptic number.

It is an amenable number.

1478875081 is a deficient number, since it is larger than the sum of its proper divisors (5225991).

1478875081 is an equidigital number, since it uses as much as digits as its factorization.

1478875081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225990.

The product of its (nonzero) digits is 501760, while the sum is 49.

The square root of 1478875081 is about 38456.1449055934. The cubic root of 1478875081 is about 1139.3150396937.

The spelling of 1478875081 in words is "one billion, four hundred seventy-eight million, eight hundred seventy-five thousand, eighty-one".