83923577 has 6 divisors (see below), whose sum is σ = 89150958. Its totient is φ = 78986624.

The previous prime is 83923559. The next prime is 83923579. The reversal of 83923577 is 77532938.

It can be written as a sum of positive squares in 3 ways, for example, as 42758521 + 41165056 = 6539^2 + 6416^2 .

It is not a de Polignac number, because 83923577 - 2¹⁴ = 83907193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83923579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144908 + ... + 145485.

It is an arithmetic number, because the mean of its divisors is an integer number (14858493).

Almost surely, 2^83923577 is an apocalyptic number.

It is an amenable number.

83923577 is a deficient number, since it is larger than the sum of its proper divisors (5227381).

83923577 is a wasteful number, since it uses less digits than its factorization.

83923577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290427 (or 290410 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 83923577 is about 9160.9812247379. The cubic root of 83923577 is about 437.8190578204.

The spelling of 83923577 in words is "eighty-three million, nine hundred twenty-three thousand, five hundred seventy-seven".