83981350282628 has 6 divisors (see below), whose sum is σ = 146967362994606. Its totient is φ = 41990675141312.

The previous prime is 83981350282553. The next prime is 83981350282703. The reversal of 83981350282628 is 82628205318938.

It is an interprime number because it is at equal distance from previous prime (83981350282553) and next prime (83981350282703).

It can be written as a sum of positive squares in only one way, i.e., 70584227679364 + 13397122603264 = 8401442^2 + 3660208^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10497668785325 + ... + 10497668785332.

It is an arithmetic number, because the mean of its divisors is an integer number (24494560499101).

Almost surely, 2^{83981350282628} is an apocalyptic number.

It is an amenable number.

83981350282628 is a deficient number, since it is larger than the sum of its proper divisors (62986012711978).

83981350282628 is a wasteful number, since it uses less digits than its factorization.

83981350282628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20995337570661 (or 20995337570659 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 65.

The spelling of 83981350282628 in words is "eighty-three trillion, nine hundred eighty-one billion, three hundred fifty million, two hundred eighty-two thousand, six hundred twenty-eight".