1187077855716 has 48 divisors (see below), whose sum is σ = 3077668612480. Its totient is φ = 395684987040.

The previous prime is 1187077855679. The next prime is 1187077855721. The reversal of 1187077855716 is 6175587707811.

1187077855716 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 0 + 7 + 78 + 557 + 1 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9702081 + ... + 9823671.

Almost surely, 2^{1187077855716} is an apocalyptic number.

It is an amenable number.

1187077855716 is an abundant number, since it is smaller than the sum of its proper divisors (1890590756764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1187077855716 is a wasteful number, since it uses less digits than its factorization.

1187077855716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212001 (or 211993 counting only the distinct ones).

The product of its (nonzero) digits is 23049600, while the sum is 63.

The spelling of 1187077855716 in words is "one trillion, one hundred eighty-seven billion, seventy-seven million, eight hundred fifty-five thousand, seven hundred sixteen".