87628383788513 has 8 divisors (see below), whose sum is σ = 92814308522208. Its totient is φ = 82445938379584.

The previous prime is 87628383788509. The next prime is 87628383788567. The reversal of 87628383788513 is 31588738382678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87628383788513 - 2² = 87628383788509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87628383788213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869779331 + ... + 869880072.

It is an arithmetic number, because the mean of its divisors is an integer number (11601788565276).

Almost surely, 2^{87628383788513} is an apocalyptic number.

It is an amenable number.

87628383788513 is a deficient number, since it is larger than the sum of its proper divisors (5185924733695).

87628383788513 is a wasteful number, since it uses less digits than its factorization.

87628383788513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739662383.

The product of its digits is 2601123840, while the sum is 77.

The spelling of 87628383788513 in words is "eighty-seven trillion, six hundred twenty-eight billion, three hundred eighty-three million, seven hundred eighty-eight thousand, five hundred thirteen".