83559745774404 has 45 divisors (see below), whose sum is σ = 218442111223567. Its totient is φ = 27853193744856.

The previous prime is 83559745774399. The next prime is 83559745774409. The reversal of 83559745774404 is 40447754795538.

It is a happy number.

The square root of 83559745774404 is 9141102.

It is a perfect power (a square), and thus also a powerful number.

83559745774404 is a `hidden beast` number, since 8 + 3 + 5 + 5 + 9 + 7 + 4 + 577 + 4 + 40 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (83559745774399) and next prime (83559745774409).

It is a super-2 number, since 2×83559745774404² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83559745774409) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 164285917 + ... + 164793755.

Almost surely, 2^{83559745774404} is an apocalyptic number.

83559745774404 is the 9141102-nd square number.

It is an amenable number.

83559745774404 is an abundant number, since it is smaller than the sum of its proper divisors (134882365449163).

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

83559745774404 is an frugal number, since it uses more digits than its factorization.

83559745774404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015694 (or 507844 counting only the distinct ones).

The product of its (nonzero) digits is 2370816000, while the sum is 72.

The spelling of 83559745774404 in words is "eighty-three trillion, five hundred fifty-nine billion, seven hundred forty-five million, seven hundred seventy-four thousand, four hundred four".