87599722799578 has 16 divisors (see below), whose sum is σ = 143346220073280. Its totient is φ = 39817717171200.

The previous prime is 87599722799543. The next prime is 87599722799579.

87599722799578 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87599722799578² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87599722799579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14277543 + ... + 19469146.

It is an arithmetic number, because the mean of its divisors is an integer number (8959138754580).

Almost surely, 2^{87599722799578} is an apocalyptic number.

87599722799578 is a deficient number, since it is larger than the sum of its proper divisors (55746497273702).

87599722799578 is a wasteful number, since it uses less digits than its factorization.

87599722799578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33864693.

The product of its digits is 100818950400, while the sum is 94.

The spelling of 87599722799578 in words is "eighty-seven trillion, five hundred ninety-nine billion, seven hundred twenty-two million, seven hundred ninety-nine thousand, five hundred seventy-eight".