83733415980 has 24 divisors (see below), whose sum is σ = 234453564912. Its totient is φ = 22328910912.

The previous prime is 83733415979. The next prime is 83733416027. The reversal of 83733415980 is 8951433738.

It is a super-2 number, since 2×83733415980² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 697778407 + ... + 697778526.

It is an arithmetic number, because the mean of its divisors is an integer number (9768898538).

Almost surely, 2^83733415980 is an apocalyptic number.

It is an amenable number.

83733415980 is an abundant number, since it is smaller than the sum of its proper divisors (150720148932).

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

83733415980 is a wasteful number, since it uses less digits than its factorization.

83733415980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395556945 (or 1395556943 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 83733415980 in words is "eighty-three billion, seven hundred thirty-three million, four hundred fifteen thousand, nine hundred eighty".