83450731802 has 4 divisors (see below), whose sum is σ = 125176097706. Its totient is φ = 41725365900.

The previous prime is 83450731753. The next prime is 83450731807. The reversal of 83450731802 is 20813705438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78210274921 + 5240456881 = 279661^2 + 72391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83450731802.

It is not an unprimeable number, because it can be changed into a prime (83450731807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20862682949 + ... + 20862682952.

Almost surely, 2^83450731802 is an apocalyptic number.

83450731802 is a deficient number, since it is larger than the sum of its proper divisors (41725365904).

83450731802 is a wasteful number, since it uses less digits than its factorization.

83450731802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41725365903.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 83450731802 in words is "eighty-three billion, four hundred fifty million, seven hundred thirty-one thousand, eight hundred two".