87388794279 has 12 divisors (see below), whose sum is σ = 126251021416. Its totient is φ = 58248690192.

The previous prime is 87388794257. The next prime is 87388794281. The reversal of 87388794279 is 97249788378.

It is not a de Polignac number, because 87388794279 - 2¹² = 87388790183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87388794289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 822652 + ... + 922785.

Almost surely, 2^87388794279 is an apocalyptic number.

87388794279 is a deficient number, since it is larger than the sum of its proper divisors (38862227137).

87388794279 is a wasteful number, since it uses less digits than its factorization.

87388794279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751006 (or 1751003 counting only the distinct ones).

The product of its digits is 341397504, while the sum is 72.

The spelling of 87388794279 in words is "eighty-seven billion, three hundred eighty-eight million, seven hundred ninety-four thousand, two hundred seventy-nine".