83121370527748 has 24 divisors (see below), whose sum is σ = 166268876098304. Its totient is φ = 35617844145600.

The previous prime is 83121370527719. The next prime is 83121370527781. The reversal of 83121370527748 is 84772507312138.

It is a super-2 number, since 2×83121370527748² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83121370527692 and 83121370527701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233167308 + ... + 233523523.

Almost surely, 2^{83121370527748} is an apocalyptic number.

It is an amenable number.

83121370527748 is an abundant number, since it is smaller than the sum of its proper divisors (83147505570556).

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

83121370527748 is a wasteful number, since it uses less digits than its factorization.

83121370527748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466697203 (or 466697201 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 83121370527748 in words is "eighty-three trillion, one hundred twenty-one billion, three hundred seventy million, five hundred twenty-seven thousand, seven hundred forty-eight".