83954129 has 8 divisors (see below), whose sum is σ = 96898368. Its totient is φ = 71247600.

The previous prime is 83954119. The next prime is 83954137. The reversal of 83954129 is 92145938.

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

It is a cyclic number.

It is not a de Polignac number, because 83954129 - 2¹² = 83950033 is a prime.

It is a super-2 number, since 2×83954129² = 14096591552297282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83954119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58667 + ... + 60080.

It is an arithmetic number, because the mean of its divisors is an integer number (12112296).

Almost surely, 2^83954129 is an apocalyptic number.

It is an amenable number.

83954129 is a deficient number, since it is larger than the sum of its proper divisors (12944239).

83954129 is a wasteful number, since it uses less digits than its factorization.

83954129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118855.

The product of its digits is 77760, while the sum is 41.

The square root of 83954129 is about 9162.6485799686. The cubic root of 83954129 is about 437.8721800596.

The spelling of 83954129 in words is "eighty-three million, nine hundred fifty-four thousand, one hundred twenty-nine".