84954379 has 4 divisors (see below), whose sum is σ = 85176576. Its totient is φ = 84732184.

The previous prime is 84954371. The next prime is 84954391. The reversal of 84954379 is 97345948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84954379 - 2³ = 84954371 is a prime.

It is a super-2 number, since 2×84954379² = 14434493022551282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84954371) 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, 110524 + ... + 111289.

It is an arithmetic number, because the mean of its divisors is an integer number (21294144).

Almost surely, 2^84954379 is an apocalyptic number.

84954379 is a deficient number, since it is larger than the sum of its proper divisors (222197).

84954379 is a wasteful number, since it uses less digits than its factorization.

84954379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222196.

The product of its digits is 1088640, while the sum is 49.

The square root of 84954379 is about 9217.0699791203. The cubic root of 84954379 is about 439.6042912693.

The spelling of 84954379 in words is "eighty-four million, nine hundred fifty-four thousand, three hundred seventy-nine".