87572123962 has 8 divisors (see below), whose sum is σ = 131650744500. Its totient is φ = 43688542464.

The previous prime is 87572123939. The next prime is 87572124061. The reversal of 87572123962 is 26932127578.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87018510121 + 553613841 = 294989^2 + 23529^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 48758637 + ... + 48760432.

Almost surely, 2^87572123962 is an apocalyptic number.

87572123962 is a deficient number, since it is larger than the sum of its proper divisors (44078620538).

87572123962 is a wasteful number, since it uses less digits than its factorization.

87572123962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97519520.

The product of its digits is 2540160, while the sum is 52.

The spelling of 87572123962 in words is "eighty-seven billion, five hundred seventy-two million, one hundred twenty-three thousand, nine hundred sixty-two".