87277524643665 has 48 divisors (see below), whose sum is σ = 151902392174208. Its totient is φ = 46357163854848.

The previous prime is 87277524643531. The next prime is 87277524643717. The reversal of 87277524643665 is 56634642577278.

87277524643665 is a `hidden beast` number, since 8 + 7 + 2 + 7 + 7 + 524 + 6 + 4 + 36 + 65 = 666.

It is not a de Polignac number, because 87277524643665 - 2¹⁶ = 87277524578129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87277524643593 and 87277524643602.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9010812 + ... + 15992178.

It is an arithmetic number, because the mean of its divisors is an integer number (3164633170296).

Almost surely, 2^{87277524643665} is an apocalyptic number.

It is an amenable number.

87277524643665 is a deficient number, since it is larger than the sum of its proper divisors (64624867530543).

87277524643665 is a wasteful number, since it uses less digits than its factorization.

87277524643665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982518 (or 6982515 counting only the distinct ones).

The product of its digits is 2844979200, while the sum is 72.

The spelling of 87277524643665 in words is "eighty-seven trillion, two hundred seventy-seven billion, five hundred twenty-four million, six hundred forty-three thousand, six hundred sixty-five".