83754149955 has 32 divisors (see below), whose sum is σ = 154581778944. Its totient is φ = 37929778176.

The previous prime is 83754149923. The next prime is 83754149957. The reversal of 83754149955 is 55994145738.

It is a happy number.

It is not a de Polignac number, because 83754149955 - 2⁵ = 83754149923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83754149957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3716142 + ... + 3738611.

It is an arithmetic number, because the mean of its divisors is an integer number (4830680592).

Almost surely, 2^83754149955 is an apocalyptic number.

83754149955 is a deficient number, since it is larger than the sum of its proper divisors (70827628989).

83754149955 is a wasteful number, since it uses less digits than its factorization.

83754149955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454875.

The product of its digits is 27216000, while the sum is 60.

The spelling of 83754149955 in words is "eighty-three billion, seven hundred fifty-four million, one hundred forty-nine thousand, nine hundred fifty-five".