87750435529 has 15 divisors (see below), whose sum is σ = 90934194333. Its totient is φ = 84677080404.

The previous prime is 87750435481. The next prime is 87750435533. The reversal of 87750435529 is 92553405778.

The square root of 87750435529 is 296227.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 87750435529 - 2⁷ = 87750435401 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 87750435529.

It is not an unprimeable number, because it can be changed into a prime (87750435569) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1057234122 + ... + 1057234204.

Almost surely, 2^87750435529 is an apocalyptic number.

87750435529 is the 296227-th square number.

87750435529 is the 148114-th centered octagonal number.

It is an amenable number.

87750435529 is a deficient number, since it is larger than the sum of its proper divisors (3183758804).

87750435529 is an frugal number, since it uses more digits than its factorization.

87750435529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 87750435529 in words is "eighty-seven billion, seven hundred fifty million, four hundred thirty-five thousand, five hundred twenty-nine".