1047807047777 has 32 divisors (see below), whose sum is σ = 1213774848000. Its totient is φ = 885983832000.

The previous prime is 1047807047759. The next prime is 1047807047779. The reversal of 1047807047777 is 7777407087401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1047807047777 - 2¹⁶ = 1047806982241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047807047779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220542152 + ... + 220546902.

It is an arithmetic number, because the mean of its divisors is an integer number (37930464000).

Almost surely, 2^{1047807047777} is an apocalyptic number.

It is an amenable number.

1047807047777 is a deficient number, since it is larger than the sum of its proper divisors (165967800223).

1047807047777 is a wasteful number, since it uses less digits than its factorization.

1047807047777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973.

The product of its (nonzero) digits is 15059072, while the sum is 59.

The spelling of 1047807047777 in words is "one trillion, forty-seven billion, eight hundred seven million, forty-seven thousand, seven hundred seventy-seven".