83911020542 has 8 divisors (see below), whose sum is σ = 125872962096. Its totient is φ = 41953366512.

The previous prime is 83911020527. The next prime is 83911020553. The reversal of 83911020542 is 24502011938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022498 + ... + 1101509.

It is an arithmetic number, because the mean of its divisors is an integer number (15734120262).

Almost surely, 2^83911020542 is an apocalyptic number.

83911020542 is a deficient number, since it is larger than the sum of its proper divisors (41961941554).

83911020542 is a wasteful number, since it uses less digits than its factorization.

83911020542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143762.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 83911020542 in words is "eighty-three billion, nine hundred eleven million, twenty thousand, five hundred forty-two".