83155497 has 4 divisors (see below), whose sum is σ = 110874000. Its totient is φ = 55436996.

The previous prime is 83155489. The next prime is 83155531. The reversal of 83155497 is 79455138.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83155497 - 2³ = 83155489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83155477) 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, 13859247 + ... + 13859252.

It is an arithmetic number, because the mean of its divisors is an integer number (27718500).

Almost surely, 2^83155497 is an apocalyptic number.

It is an amenable number.

83155497 is a deficient number, since it is larger than the sum of its proper divisors (27718503).

83155497 is a wasteful number, since it uses less digits than its factorization.

83155497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27718502.

The product of its digits is 151200, while the sum is 42.

The square root of 83155497 is about 9118.9635924265. The cubic root of 83155497 is about 436.4793023911.

The spelling of 83155497 in words is "eighty-three million, one hundred fifty-five thousand, four hundred ninety-seven".