87068960551 has 8 divisors (see below), whose sum is σ = 88272031904. Its totient is φ = 85866168960.

The previous prime is 87068960509. The next prime is 87068960569. The reversal of 87068960551 is 15506986078.

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

It is a 7-Lehmer number, since φ(87068960551) divides (87068960551-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 87068960551 - 2⁷ = 87068960423 is a prime.

It is the 295075-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87068960492 and 87068960501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87068960501) by changing a digit.

It is a nontrivial repunit in base 295074.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600931 + ... + 731611.

It is an arithmetic number, because the mean of its divisors is an integer number (11034003988).

Almost surely, 2^87068960551 is an apocalyptic number.

87068960551 is a deficient number, since it is larger than the sum of its proper divisors (1203071353).

87068960551 is a wasteful number, since it uses less digits than its factorization.

87068960551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139881.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 87068960551 in words is "eighty-seven billion, sixty-eight million, nine hundred sixty thousand, five hundred fifty-one".