82983977 has 4 divisors (see below), whose sum is σ = 86592000. Its totient is φ = 79375956.

The previous prime is 82983949. The next prime is 82983983. The reversal of 82983977 is 77938928.

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 82983977 - 2¹² = 82979881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82983997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803977 + ... + 1804022.

It is an arithmetic number, because the mean of its divisors is an integer number (21648000).

Almost surely, 2^82983977 is an apocalyptic number.

It is an amenable number.

82983977 is a deficient number, since it is larger than the sum of its proper divisors (3608023).

82983977 is a wasteful number, since it uses less digits than its factorization.

82983977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608022.

The product of its digits is 1524096, while the sum is 53.

The square root of 82983977 is about 9109.5541603308. The cubic root of 82983977 is about 436.1789956770.

The spelling of 82983977 in words is "eighty-two million, nine hundred eighty-three thousand, nine hundred seventy-seven".