83436723880 has 32 divisors (see below), whose sum is σ = 197613295200. Its totient is φ = 31618126656.

The previous prime is 83436723863. The next prime is 83436723917. The reversal of 83436723880 is 8832763438.

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, 54891822 + ... + 54893341.

It is an arithmetic number, because the mean of its divisors is an integer number (6175415475).

Almost surely, 2^83436723880 is an apocalyptic number.

It is an amenable number.

83436723880 is an abundant number, since it is smaller than the sum of its proper divisors (114176571320).

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

83436723880 is a wasteful number, since it uses less digits than its factorization.

83436723880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109785193 (or 109785189 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 83436723880 in words is "eighty-three billion, four hundred thirty-six million, seven hundred twenty-three thousand, eight hundred eighty".