147878342515 has 16 divisors (see below), whose sum is σ = 182322171360. Its totient is φ = 115098577920.

The previous prime is 147878342509. The next prime is 147878342531. The reversal of 147878342515 is 515243878741.

It is not a de Polignac number, because 147878342515 - 2³⁷ = 10439389043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2555316 + ... + 2612545.

It is an arithmetic number, because the mean of its divisors is an integer number (11395135710).

Almost surely, 2^147878342515 is an apocalyptic number.

147878342515 is a deficient number, since it is larger than the sum of its proper divisors (34443828845).

147878342515 is an equidigital number, since it uses as much as digits as its factorization.

147878342515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168022.

The product of its digits is 7526400, while the sum is 55.

The spelling of 147878342515 in words is "one hundred forty-seven billion, eight hundred seventy-eight million, three hundred forty-two thousand, five hundred fifteen".