87767632423 has 8 divisors (see below), whose sum is σ = 88029218816. Its totient is φ = 87506357400.

The previous prime is 87767632409. The next prime is 87767632439. The reversal of 87767632423 is 32423676778.

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

It is a cyclic number.

It is not a de Polignac number, because 87767632423 - 2²¹ = 87765535271 is a prime.

It is a super-2 number, since 2×87767632423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87767632493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492958 + ... + 646948.

It is an arithmetic number, because the mean of its divisors is an integer number (11003652352).

Almost surely, 2^87767632423 is an apocalyptic number.

87767632423 is a deficient number, since it is larger than the sum of its proper divisors (261586393).

87767632423 is a wasteful number, since it uses less digits than its factorization.

87767632423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155685.

The product of its digits is 14224896, while the sum is 55.

The spelling of 87767632423 in words is "eighty-seven billion, seven hundred sixty-seven million, six hundred thirty-two thousand, four hundred twenty-three".