167989479 has 32 divisors (see below), whose sum is σ = 261144576. Its totient is φ = 94076640.

The previous prime is 167989457. The next prime is 167989483. The reversal of 167989479 is 974989761.

It is not a de Polignac number, because 167989479 - 2⁷ = 167989351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167989429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457554 + ... + 457920.

It is an arithmetic number, because the mean of its divisors is an integer number (8160768).

Almost surely, 2^167989479 is an apocalyptic number.

167989479 is a deficient number, since it is larger than the sum of its proper divisors (93155097).

167989479 is a wasteful number, since it uses less digits than its factorization.

167989479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

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

The square root of 167989479 is about 12961.0755340751. The cubic root of 167989479 is about 551.7733165273.

The spelling of 167989479 in words is "one hundred sixty-seven million, nine hundred eighty-nine thousand, four hundred seventy-nine".