83554120974 has 16 divisors (see below), whose sum is σ = 168730653312. Its totient is φ = 27580971768.

The previous prime is 83554120973. The next prime is 83554121003. The reversal of 83554120974 is 47902145538.

It is a super-2 number, since 2×83554120974² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83554120973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67599804 + ... + 67601039.

It is an arithmetic number, because the mean of its divisors is an integer number (10545665832).

Almost surely, 2^83554120974 is an apocalyptic number.

83554120974 is an abundant number, since it is smaller than the sum of its proper divisors (85176532338).

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

83554120974 is a wasteful number, since it uses less digits than its factorization.

83554120974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135200951.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 83554120974 in words is "eighty-three billion, five hundred fifty-four million, one hundred twenty thousand, nine hundred seventy-four".