87927072978 has 8 divisors (see below), whose sum is σ = 175854145968. Its totient is φ = 29309024324.

The previous prime is 87927072967. The next prime is 87927072997.

87927072978 is nontrivially palindromic in base 10.

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

87927072978 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7327256076 + ... + 7327256087.

It is an arithmetic number, because the mean of its divisors is an integer number (21981768246).

Almost surely, 2^87927072978 is an apocalyptic number.

87927072978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87927072978 is a wasteful number, since it uses less digits than its factorization.

87927072978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14654512168.

The product of its (nonzero) digits is 49787136, while the sum is 66.

The spelling of 87927072978 in words is "eighty-seven billion, nine hundred twenty-seven million, seventy-two thousand, nine hundred seventy-eight".