83636157 has 16 divisors (see below), whose sum is σ = 128056320. Its totient is φ = 48020400.

The previous prime is 83636149. The next prime is 83636191. The reversal of 83636157 is 75163638.

It is not a de Polignac number, because 83636157 - 2³ = 83636149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83636857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66069 + ... + 67322.

It is an arithmetic number, because the mean of its divisors is an integer number (8003520).

Almost surely, 2^83636157 is an apocalyptic number.

It is an amenable number.

83636157 is a deficient number, since it is larger than the sum of its proper divisors (44420163).

83636157 is a wasteful number, since it uses less digits than its factorization.

83636157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133424.

The product of its digits is 90720, while the sum is 39.

The square root of 83636157 is about 9145.2805861821. The cubic root of 83636157 is about 437.3186744639.

The spelling of 83636157 in words is "eighty-three million, six hundred thirty-six thousand, one hundred fifty-seven".