2666776287930 has 32 divisors (see below), whose sum is σ = 6406682684544. Its totient is φ = 710427055296.

The previous prime is 2666776287911. The next prime is 2666776287991. The reversal of 2666776287930 is 397826776662.

It is a super-2 number, since 2×2666776287930² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44550102 + ... + 44609921.

It is an arithmetic number, because the mean of its divisors is an integer number (200208833892).

Almost surely, 2^{2666776287930} is an apocalyptic number.

2666776287930 is an abundant number, since it is smaller than the sum of its proper divisors (3739906396614).

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

2666776287930 is a wasteful number, since it uses less digits than its factorization.

2666776287930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89161030.

The product of its (nonzero) digits is 384072192, while the sum is 69.

The spelling of 2666776287930 in words is "two trillion, six hundred sixty-six billion, seven hundred seventy-six million, two hundred eighty-seven thousand, nine hundred thirty".