83421025837574 has 8 divisors (see below), whose sum is σ = 126116826463488. Its totient is φ = 41382083683080.

The previous prime is 83421025837571. The next prime is 83421025837577. The reversal of 83421025837574 is 47573852012438.

It is an interprime number because it is at equal distance from previous prime (83421025837571) and next prime (83421025837577).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83421025837571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164214617537 + ... + 164214618044.

It is an arithmetic number, because the mean of its divisors is an integer number (15764603307936).

Almost surely, 2^{83421025837574} is an apocalyptic number.

83421025837574 is a deficient number, since it is larger than the sum of its proper divisors (42695800625914).

83421025837574 is a wasteful number, since it uses less digits than its factorization.

83421025837574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328429235710.

The product of its (nonzero) digits is 45158400, while the sum is 59.

The spelling of 83421025837574 in words is "eighty-three trillion, four hundred twenty-one billion, twenty-five million, eight hundred thirty-seven thousand, five hundred seventy-four".