87343811345 has 32 divisors (see below), whose sum is σ = 125026536960. Its totient is φ = 57273891840.

The previous prime is 87343811341. The next prime is 87343811353. The reversal of 87343811345 is 54311834378.

It is a happy number.

It is not a de Polignac number, because 87343811345 - 2² = 87343811341 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87343811345.

It is not an unprimeable number, because it can be changed into a prime (87343811341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3659711 + ... + 3683499.

It is an arithmetic number, because the mean of its divisors is an integer number (3907079280).

Almost surely, 2^87343811345 is an apocalyptic number.

It is an amenable number.

87343811345 is a deficient number, since it is larger than the sum of its proper divisors (37682725615).

87343811345 is a wasteful number, since it uses less digits than its factorization.

87343811345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28385.

The product of its digits is 967680, while the sum is 47.

The spelling of 87343811345 in words is "eighty-seven billion, three hundred forty-three million, eight hundred eleven thousand, three hundred forty-five".