87973957196019 has 12 divisors (see below), whose sum is σ = 127086266346000. Its totient is φ = 58643409742704.

The previous prime is 87973957195991. The next prime is 87973957196113. The reversal of 87973957196019 is 91069175937978.

87973957196019 is a `hidden beast` number, since 8 + 7 + 9 + 7 + 39 + 571 + 9 + 6 + 0 + 1 + 9 = 666.

It is not a de Polignac number, because 87973957196019 - 2¹³ = 87973957187827 is a prime.

It is a super-2 number, since 2×87973957196019² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87973955196019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491160039 + ... + 491339120.

It is an arithmetic number, because the mean of its divisors is an integer number (10590522195500).

Almost surely, 2^{87973957196019} is an apocalyptic number.

87973957196019 is a deficient number, since it is larger than the sum of its proper divisors (39112309149981).

87973957196019 is a wasteful number, since it uses less digits than its factorization.

87973957196019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982509114 (or 982509111 counting only the distinct ones).

The product of its (nonzero) digits is 1620304560, while the sum is 81.

The spelling of 87973957196019 in words is "eighty-seven trillion, nine hundred seventy-three billion, nine hundred fifty-seven million, one hundred ninety-six thousand, nineteen".