146979879 has 8 divisors (see below), whose sum is σ = 198658032. Its totient is φ = 96644160.

The previous prime is 146979853. The next prime is 146979887. The reversal of 146979879 is 978979641.

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

It is not a de Polignac number, because 146979879 - 2⁷ = 146979751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146979809) 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 7 ways as a sum of consecutive naturals, for example, 335352 + ... + 335789.

It is an arithmetic number, because the mean of its divisors is an integer number (24832254).

Almost surely, 2^146979879 is an apocalyptic number.

146979879 is a deficient number, since it is larger than the sum of its proper divisors (51678153).

146979879 is an equidigital number, since it uses as much as digits as its factorization.

146979879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671217.

The product of its digits is 6858432, while the sum is 60.

The square root of 146979879 is about 12123.5258485310. The cubic root of 146979879 is about 527.7391280465.

The spelling of 146979879 in words is "one hundred forty-six million, nine hundred seventy-nine thousand, eight hundred seventy-nine".