1087778613008 has 20 divisors (see below), whose sum is σ = 2111161491600. Its totient is φ = 542962744224.

The previous prime is 1087778612989. The next prime is 1087778613041. The reversal of 1087778613008 is 8003168777801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57900458 + ... + 57919241.

It is an arithmetic number, because the mean of its divisors is an integer number (105558074580).

Almost surely, 2^{1087778613008} is an apocalyptic number.

It is an amenable number.

1087778613008 is a deficient number, since it is larger than the sum of its proper divisors (1023382878592).

1087778613008 is a wasteful number, since it uses less digits than its factorization.

1087778613008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115820294 (or 115820288 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 56.

The spelling of 1087778613008 in words is "one trillion, eighty-seven billion, seven hundred seventy-eight million, six hundred thirteen thousand, eight".