87963850551 has 8 divisors (see below), whose sum is σ = 117459408880. Its totient is φ = 58555429632.

The previous prime is 87963850511. The next prime is 87963850561. The reversal of 87963850551 is 15505836978.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87963850551 - 2¹³ = 87963842359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87963850491 and 87963850500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87963850511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21781996 + ... + 21786033.

It is an arithmetic number, because the mean of its divisors is an integer number (14682426110).

Almost surely, 2^87963850551 is an apocalyptic number.

87963850551 is a deficient number, since it is larger than the sum of its proper divisors (29495558329).

87963850551 is a wasteful number, since it uses less digits than its factorization.

87963850551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43568705.

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 87963850551 in words is "eighty-seven billion, nine hundred sixty-three million, eight hundred fifty thousand, five hundred fifty-one".