987011764534 has 4 divisors (see below), whose sum is σ = 1480517646804. Its totient is φ = 493505882266.

The previous prime is 987011764489. The next prime is 987011764553. The reversal of 987011764534 is 435467110789.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246752941132 + ... + 246752941135.

It is an arithmetic number, because the mean of its divisors is an integer number (370129411701).

Almost surely, 2^987011764534 is an apocalyptic number.

987011764534 is a deficient number, since it is larger than the sum of its proper divisors (493505882270).

987011764534 is a wasteful number, since it uses less digits than its factorization.

987011764534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493505882269.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 987011764534 in words is "nine hundred eighty-seven billion, eleven million, seven hundred sixty-four thousand, five hundred thirty-four".