83554157 has 8 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 82842624.

The previous prime is 83554127. The next prime is 83554171. The reversal of 83554157 is 75145538.

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 83554157 - 2¹⁰ = 83553133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83554157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83554127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108269 + ... + 109037.

It is an arithmetic number, because the mean of its divisors is an integer number (10533600).

Almost surely, 2^83554157 is an apocalyptic number.

It is an amenable number.

83554157 is a deficient number, since it is larger than the sum of its proper divisors (714643).

83554157 is a wasteful number, since it uses less digits than its factorization.

83554157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its digits is 84000, while the sum is 38.

The square root of 83554157 is about 9140.7963001043. The cubic root of 83554157 is about 437.1757065638.

The spelling of 83554157 in words is "eighty-three million, five hundred fifty-four thousand, one hundred fifty-seven".