94400078644 has 24 divisors (see below), whose sum is σ = 167834919168. Its totient is φ = 46452842400.

The previous prime is 94400078621. The next prime is 94400078657. The reversal of 94400078644 is 44687000449.

It is a super-3 number, since 3×94400078644³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 94400078594 and 94400078603.

It is a congruent number.

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, 632124 + ... + 767059.

It is an arithmetic number, because the mean of its divisors is an integer number (6993121632).

Almost surely, 2^94400078644 is an apocalyptic number.

It is an amenable number.

94400078644 is a deficient number, since it is larger than the sum of its proper divisors (73434840524).

94400078644 is a wasteful number, since it uses less digits than its factorization.

94400078644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399455 (or 1399453 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 94400078644 in words is "ninety-four billion, four hundred million, seventy-eight thousand, six hundred forty-four".