87653197542 has 16 divisors (see below), whose sum is σ = 175958094960. Its totient is φ = 29109115872.

The previous prime is 87653197523. The next prime is 87653197561. The reversal of 87653197542 is 24579135678.

It is an interprime number because it is at equal distance from previous prime (87653197523) and next prime (87653197561).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27152413 + ... + 27155640.

It is an arithmetic number, because the mean of its divisors is an integer number (10997380935).

Almost surely, 2^87653197542 is an apocalyptic number.

87653197542 is an abundant number, since it is smaller than the sum of its proper divisors (88304897418).

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

87653197542 is a wasteful number, since it uses less digits than its factorization.

87653197542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54308327.

The product of its digits is 12700800, while the sum is 57.

The spelling of 87653197542 in words is "eighty-seven billion, six hundred fifty-three million, one hundred ninety-seven thousand, five hundred forty-two".