87492667511 has 4 divisors (see below), whose sum is σ = 88394653872. Its totient is φ = 86590681152.

The previous prime is 87492667501. The next prime is 87492667519. The reversal of 87492667511 is 11576629478.

It is a happy number.

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 87492667511 - 2³⁰ = 86418925687 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 (87492667519) 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, 450993035 + ... + 450993228.

It is an arithmetic number, because the mean of its divisors is an integer number (22098663468).

Almost surely, 2^87492667511 is an apocalyptic number.

87492667511 is a deficient number, since it is larger than the sum of its proper divisors (901986361).

87492667511 is an equidigital number, since it uses as much as digits as its factorization.

87492667511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901986360.

The product of its digits is 5080320, while the sum is 56.

The spelling of 87492667511 in words is "eighty-seven billion, four hundred ninety-two million, six hundred sixty-seven thousand, five hundred eleven".