87389756193045 has 32 divisors (see below), whose sum is σ = 141155110736640. Its totient is φ = 46164331607040.

The previous prime is 87389756193007. The next prime is 87389756193067. The reversal of 87389756193045 is 54039165798378.

It is not a de Polignac number, because 87389756193045 - 2²⁸ = 87389487757589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4488361 + ... + 13961550.

It is an arithmetic number, because the mean of its divisors is an integer number (4411097210520).

Almost surely, 2^{87389756193045} is an apocalyptic number.

It is an amenable number.

87389756193045 is a deficient number, since it is larger than the sum of its proper divisors (53765354543595).

87389756193045 is a wasteful number, since it uses less digits than its factorization.

87389756193045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452925.

The product of its (nonzero) digits is 1371686400, while the sum is 75.

The spelling of 87389756193045 in words is "eighty-seven trillion, three hundred eighty-nine billion, seven hundred fifty-six million, one hundred ninety-three thousand, forty-five".