87269954687 has 4 divisors (see below), whose sum is σ = 87271322880. Its totient is φ = 87268586496.

The previous prime is 87269954659. The next prime is 87269954689. The reversal of 87269954687 is 78645996278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87269954687 - 2¹² = 87269950591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87269954687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87269954689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583487 + ... + 717632.

It is an arithmetic number, because the mean of its divisors is an integer number (21817830720).

Almost surely, 2^87269954687 is an apocalyptic number.

87269954687 is a deficient number, since it is larger than the sum of its proper divisors (1368193).

87269954687 is a wasteful number, since it uses less digits than its factorization.

87269954687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368192.

The product of its digits is 365783040, while the sum is 71.

The spelling of 87269954687 in words is "eighty-seven billion, two hundred sixty-nine million, nine hundred fifty-four thousand, six hundred eighty-seven".