28938166094 has 8 divisors (see below), whose sum is σ = 43424908920. Its totient is φ = 14463196456.

The previous prime is 28938166001. The next prime is 28938166097. The reversal of 28938166094 is 49066183982.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28938166097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937149 + ... + 2946984.

It is an arithmetic number, because the mean of its divisors is an integer number (5428113615).

Almost surely, 2^28938166094 is an apocalyptic number.

28938166094 is a deficient number, since it is larger than the sum of its proper divisors (14486742826).

28938166094 is a wasteful number, since it uses less digits than its factorization.

28938166094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886594.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 28938166094 in words is "twenty-eight billion, nine hundred thirty-eight million, one hundred sixty-six thousand, ninety-four".