83976642 has 16 divisors (see below), whose sum is σ = 186614880. Its totient is φ = 27992196.

The previous prime is 83976623. The next prime is 83976653. The reversal of 83976642 is 24667938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777508 + ... + 777615.

It is an arithmetic number, because the mean of its divisors is an integer number (11663430).

Almost surely, 2^83976642 is an apocalyptic number.

83976642 is an abundant number, since it is smaller than the sum of its proper divisors (102638238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83976642 is a wasteful number, since it uses less digits than its factorization.

83976642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555134 (or 1555128 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 83976642 is about 9163.8770179439. The cubic root of 83976642 is about 437.9113162541.

The spelling of 83976642 in words is "eighty-three million, nine hundred seventy-six thousand, six hundred forty-two".