83427057 has 24 divisors (see below), whose sum is σ = 143776800. Its totient is φ = 47671848.

The previous prime is 83427031. The next prime is 83427061. The reversal of 83427057 is 75072438.

It is not a de Polignac number, because 83427057 - 2¹⁶ = 83361521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83427017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30207 + ... + 32852.

It is an arithmetic number, because the mean of its divisors is an integer number (5990700).

Almost surely, 2^83427057 is an apocalyptic number.

It is an amenable number.

83427057 is a deficient number, since it is larger than the sum of its proper divisors (60349743).

83427057 is a wasteful number, since it uses less digits than its factorization.

83427057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63082 (or 63069 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 83427057 is about 9133.8413058253. The cubic root of 83427057 is about 436.9539213459.

The spelling of 83427057 in words is "eighty-three million, four hundred twenty-seven thousand, fifty-seven".