87157075178 has 8 divisors (see below), whose sum is σ = 130737926880. Its totient is φ = 43577766220.

The previous prime is 87157075133. The next prime is 87157075183.

It is a happy number.

87157075178 is nontrivially palindromic in base 10.

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

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, 232238 + ... + 477753.

It is an arithmetic number, because the mean of its divisors is an integer number (16342240860).

Almost surely, 2^87157075178 is an apocalyptic number.

87157075178 is a deficient number, since it is larger than the sum of its proper divisors (43580851702).

87157075178 is a wasteful number, since it uses less digits than its factorization.

87157075178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771372.

The product of its (nonzero) digits is 3841600, while the sum is 56.

The spelling of 87157075178 in words is "eighty-seven billion, one hundred fifty-seven million, seventy-five thousand, one hundred seventy-eight".