83953761 has 16 divisors (see below), whose sum is σ = 118155840. Its totient is φ = 52876800.

The previous prime is 83953757. The next prime is 83953763. The reversal of 83953761 is 16735938.

It is not a de Polignac number, because 83953761 - 2² = 83953757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83953763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21021 + ... + 24693.

It is an arithmetic number, because the mean of its divisors is an integer number (7384740).

Almost surely, 2^83953761 is an apocalyptic number.

It is an amenable number.

83953761 is a deficient number, since it is larger than the sum of its proper divisors (34202079).

83953761 is a wasteful number, since it uses less digits than its factorization.

83953761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096.

The product of its digits is 136080, while the sum is 42.

The square root of 83953761 is about 9162.6284984168. The cubic root of 83953761 is about 437.8715402769.

The spelling of 83953761 in words is "eighty-three million, nine hundred fifty-three thousand, seven hundred sixty-one".