87657475678 has 32 divisors (see below), whose sum is σ = 139659632640. Its totient is φ = 41211646560.

The previous prime is 87657475627. The next prime is 87657475679.

87657475678 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87657475679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68803 + ... + 424321.

It is an arithmetic number, because the mean of its divisors is an integer number (4364363520).

Almost surely, 2^87657475678 is an apocalyptic number.

87657475678 is a deficient number, since it is larger than the sum of its proper divisors (52002156962).

87657475678 is a wasteful number, since it uses less digits than its factorization.

87657475678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355672.

The product of its digits is 553190400, while the sum is 70.

The spelling of 87657475678 in words is "eighty-seven billion, six hundred fifty-seven million, four hundred seventy-five thousand, six hundred seventy-eight".