11977482786 has 16 divisors (see below), whose sum is σ = 23966985024. Its totient is φ = 3990491024.

The previous prime is 11977482761. The next prime is 11977482809. The reversal of 11977482786 is 68728477911.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487830 + ... + 511793.

It is an arithmetic number, because the mean of its divisors is an integer number (1497936564).

Almost surely, 2^11977482786 is an apocalyptic number.

11977482786 is an abundant number, since it is smaller than the sum of its proper divisors (11989502238).

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

11977482786 is a wasteful number, since it uses less digits than its factorization.

11977482786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001625.

The product of its digits is 9483264, while the sum is 60.

The spelling of 11977482786 in words is "eleven billion, nine hundred seventy-seven million, four hundred eighty-two thousand, seven hundred eighty-six".