87343805555658 has 24 divisors (see below), whose sum is σ = 190919645776548. Its totient is φ = 28856950507392.

The previous prime is 87343805555641. The next prime is 87343805555687. The reversal of 87343805555658 is 85655550834378.

87343805555658 is a `hidden beast` number, since 8 + 7 + 3 + 4 + 3 + 8 + 0 + 5 + 55 + 565 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57367490701689 + 29976314853969 = 7574133^2 + 5475063^2 .

It is a super-2 number, since 2×87343805555658² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21470943285 + ... + 21470947352.

Almost surely, 2^{87343805555658} is an apocalyptic number.

87343805555658 is an abundant number, since it is smaller than the sum of its proper divisors (103575840220890).

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

87343805555658 is a wasteful number, since it uses less digits than its factorization.

87343805555658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42941890758 (or 42941890755 counting only the distinct ones).

The product of its (nonzero) digits is 2419200000, while the sum is 72.

The spelling of 87343805555658 in words is "eighty-seven trillion, three hundred forty-three billion, eight hundred five million, five hundred fifty-five thousand, six hundred fifty-eight".