87429764498 has 4 divisors (see below), whose sum is σ = 131144646750. Its totient is φ = 43714882248.

The previous prime is 87429764437. The next prime is 87429764501. The reversal of 87429764498 is 89446792478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89446792478 = 2 ⋅44723396239.

It can be written as a sum of positive squares in only one way, i.e., 62882082169 + 24547682329 = 250763^2 + 156677^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21857441123 + ... + 21857441126.

Almost surely, 2^87429764498 is an apocalyptic number.

87429764498 is a deficient number, since it is larger than the sum of its proper divisors (43714882252).

87429764498 is a wasteful number, since it uses less digits than its factorization.

87429764498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43714882251.

The product of its digits is 195084288, while the sum is 68.

The spelling of 87429764498 in words is "eighty-seven billion, four hundred twenty-nine million, seven hundred sixty-four thousand, four hundred ninety-eight".