1087166712547 has 8 divisors (see below), whose sum is σ = 1157144493312. Its totient is φ = 1017858576000.

The previous prime is 1087166712517. The next prime is 1087166712607. The reversal of 1087166712547 is 7452176617801.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1087166712547 - 2¹⁵ = 1087166679779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087166712517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167407704 + ... + 167414197.

It is an arithmetic number, because the mean of its divisors is an integer number (144643061664).

Almost surely, 2^{1087166712547} is an apocalyptic number.

1087166712547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1087166712547 is a deficient number, since it is larger than the sum of its proper divisors (69977780765).

1087166712547 is a wasteful number, since it uses less digits than its factorization.

1087166712547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334822109.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 1087166712547 in words is "one trillion, eighty-seven billion, one hundred sixty-six million, seven hundred twelve thousand, five hundred forty-seven".