83077905450 has 48 divisors (see below), whose sum is σ = 209920644576. Its totient is φ = 21736104000.

The previous prime is 83077905413. The next prime is 83077905451. The reversal of 83077905450 is 5450977038.

It is a self number, because there is not a number n which added to its sum of digits gives 83077905450.

It is not an unprimeable number, because it can be changed into a prime (83077905451) 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 23 ways as a sum of consecutive naturals, for example, 5217076 + ... + 5232975.

It is an arithmetic number, because the mean of its divisors is an integer number (4373346762).

Almost surely, 2^83077905450 is an apocalyptic number.

83077905450 is an abundant number, since it is smaller than the sum of its proper divisors (126842739126).

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

83077905450 is a wasteful number, since it uses less digits than its factorization.

83077905450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450119 (or 10450114 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 83077905450 in words is "eighty-three billion, seventy-seven million, nine hundred five thousand, four hundred fifty".