1087660652387 has 4 divisors (see below), whose sum is σ = 1087781526000. Its totient is φ = 1087539778776.

The previous prime is 1087660652383. The next prime is 1087660652399. The reversal of 1087660652387 is 7832560667801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1087660652387 - 2² = 1087660652383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087660652383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60423308 + ... + 60441305.

It is an arithmetic number, because the mean of its divisors is an integer number (271945381500).

Almost surely, 2^{1087660652387} is an apocalyptic number.

1087660652387 is a deficient number, since it is larger than the sum of its proper divisors (120873613).

1087660652387 is an equidigital number, since it uses as much as digits as its factorization.

1087660652387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120873612.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 1087660652387 in words is "one trillion, eighty-seven billion, six hundred sixty million, six hundred fifty-two thousand, three hundred eighty-seven".