10378770557 has 12 divisors (see below), whose sum is σ = 10600714656. Its totient is φ = 10159075080.

The previous prime is 10378770553. The next prime is 10378770559. The reversal of 10378770557 is 75507787301.

It is a happy number.

It is not a de Polignac number, because 10378770557 - 2² = 10378770553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10378770553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10959158 + ... + 10960104.

It is an arithmetic number, because the mean of its divisors is an integer number (883392888).

Almost surely, 2^10378770557 is an apocalyptic number.

It is an amenable number.

10378770557 is a deficient number, since it is larger than the sum of its proper divisors (221944099).

10378770557 is an frugal number, since it uses more digits than its factorization.

10378770557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 50.

The spelling of 10378770557 in words is "ten billion, three hundred seventy-eight million, seven hundred seventy thousand, five hundred fifty-seven".