87763470001 has 3 divisors (see below), whose sum is σ = 87763766251. Its totient is φ = 87763173752.

The previous prime is 87763469953. The next prime is 87763470007. The reversal of 87763470001 is 10007436778.

The square root of 87763470001 is 296249.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 72791500401 + 14971969600 = 269799^2 + 122360^2 .

It is not a de Polignac number, because 87763470001 - 2¹⁵ = 87763437233 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 87763470001.

It is not an unprimeable number, because it can be changed into a prime (87763470007) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 148125 + ... + 444373.

Almost surely, 2^87763470001 is an apocalyptic number.

87763470001 is the 296249-th square number.

87763470001 is the 148125-th centered octagonal number.

It is an amenable number.

87763470001 is a deficient number, since it is larger than the sum of its proper divisors (296250).

87763470001 is an frugal number, since it uses more digits than its factorization.

87763470001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592498 (or 296249 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 87763470001 in words is "eighty-seven billion, seven hundred sixty-three million, four hundred seventy thousand, one".