87148665837 has 24 divisors (see below), whose sum is σ = 129010197888. Its totient is φ = 56659276800.

The previous prime is 87148665827. The next prime is 87148665847. The reversal of 87148665837 is 73856684178.

87148665837 is a `hidden beast` number, since 8 + 7 + 1 + 48 + 6 + 6 + 583 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (87148665827) and next prime (87148665847).

It is not a de Polignac number, because 87148665837 - 2¹⁴ = 87148649453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87148665827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72412 + ... + 423722.

It is an arithmetic number, because the mean of its divisors is an integer number (5375424912).

Almost surely, 2^87148665837 is an apocalyptic number.

It is an amenable number.

87148665837 is a deficient number, since it is larger than the sum of its proper divisors (41861532051).

87148665837 is a wasteful number, since it uses less digits than its factorization.

87148665837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352001 (or 351998 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 87148665837 in words is "eighty-seven billion, one hundred forty-eight million, six hundred sixty-five thousand, eight hundred thirty-seven".