83976739 has 12 divisors (see below), whose sum is σ = 106568568. Its totient is φ = 65436000.

The previous prime is 83976731. The next prime is 83976743. The reversal of 83976739 is 93767938.

It is not a de Polignac number, because 83976739 - 2³ = 83976731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83976731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77362 + ... + 78439.

It is an arithmetic number, because the mean of its divisors is an integer number (8880714).

Almost surely, 2^83976739 is an apocalyptic number.

83976739 is a deficient number, since it is larger than the sum of its proper divisors (22591829).

83976739 is a wasteful number, since it uses less digits than its factorization.

83976739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155826 (or 155819 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 52.

The square root of 83976739 is about 9163.8823104621. The cubic root of 83976739 is about 437.9114848620.

The spelling of 83976739 in words is "eighty-three million, nine hundred seventy-six thousand, seven hundred thirty-nine".