83406157 has 8 divisors (see below), whose sum is σ = 84015360. Its totient is φ = 82799760.

The previous prime is 83406149. The next prime is 83406161. The reversal of 83406157 is 75160438.

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 83406157 - 2³ = 83406149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83406137) 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, 115644 + ... + 116362.

It is an arithmetic number, because the mean of its divisors is an integer number (10501920).

Almost surely, 2^83406157 is an apocalyptic number.

It is an amenable number.

83406157 is a deficient number, since it is larger than the sum of its proper divisors (609203).

83406157 is a wasteful number, since it uses less digits than its factorization.

83406157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 83406157 is about 9132.6971372098. The cubic root of 83406157 is about 436.9174299885.

The spelling of 83406157 in words is "eighty-three million, four hundred six thousand, one hundred fifty-seven".