83015672820 has 24 divisors (see below), whose sum is σ = 232443884064. Its totient is φ = 22137512736.

The previous prime is 83015672819. The next prime is 83015672827. The reversal of 83015672820 is 2827651038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83015672827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691797214 + ... + 691797333.

It is an arithmetic number, because the mean of its divisors is an integer number (9685161836).

Almost surely, 2^83015672820 is an apocalyptic number.

It is an amenable number.

83015672820 is an abundant number, since it is smaller than the sum of its proper divisors (149428211244).

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

83015672820 is a wasteful number, since it uses less digits than its factorization.

83015672820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383594559 (or 1383594557 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

It can be divided in two parts, 83015 and 672820, that added together give a triangular number (755835 = T₁₂₂₉).

The spelling of 83015672820 in words is "eighty-three billion, fifteen million, six hundred seventy-two thousand, eight hundred twenty".