87148696656 has 40 divisors (see below), whose sum is σ = 257296153024. Its totient is φ = 24899627520.

The previous prime is 87148696639. The next prime is 87148696673. The reversal of 87148696656 is 65669684178.

It is an interprime number because it is at equal distance from previous prime (87148696639) and next prime (87148696673).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129685225 + ... + 129685896.

Almost surely, 2^87148696656 is an apocalyptic number.

It is an amenable number.

87148696656 is an abundant number, since it is smaller than the sum of its proper divisors (170147456368).

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

87148696656 is a wasteful number, since it uses less digits than its factorization.

87148696656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259371139 (or 259371133 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 66.

The spelling of 87148696656 in words is "eighty-seven billion, one hundred forty-eight million, six hundred ninety-six thousand, six hundred fifty-six".