945554778908 has 24 divisors (see below), whose sum is σ = 1659725009712. Its totient is φ = 471348145664.

The previous prime is 945554778907. The next prime is 945554778919. The reversal of 945554778908 is 809877455549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945554778901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7672391 + ... + 7794657.

It is an arithmetic number, because the mean of its divisors is an integer number (69155208738).

Almost surely, 2^945554778908 is an apocalyptic number.

It is an amenable number.

945554778908 is a deficient number, since it is larger than the sum of its proper divisors (714170230804).

945554778908 is a wasteful number, since it uses less digits than its factorization.

945554778908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128101 (or 128099 counting only the distinct ones).

The product of its (nonzero) digits is 508032000, while the sum is 71.

The spelling of 945554778908 in words is "nine hundred forty-five billion, five hundred fifty-four million, seven hundred seventy-eight thousand, nine hundred eight".