83969621094 has 32 divisors (see below), whose sum is σ = 169693159680. Its totient is φ = 27698746400.

The previous prime is 83969621081. The next prime is 83969621161. The reversal of 83969621094 is 49012696938.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133384 + ... + 430964.

It is an arithmetic number, because the mean of its divisors is an integer number (5302911240).

Almost surely, 2^83969621094 is an apocalyptic number.

83969621094 is an abundant number, since it is smaller than the sum of its proper divisors (85723538586).

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

83969621094 is a wasteful number, since it uses less digits than its factorization.

83969621094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298076.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 83969621094 in words is "eighty-three billion, nine hundred sixty-nine million, six hundred twenty-one thousand, ninety-four".