90883878938 has 8 divisors (see below), whose sum is σ = 137399250432. Its totient is φ = 45084128796.

The previous prime is 90883878907. The next prime is 90883878941. The reversal of 90883878938 is 83987838809.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178905020 + ... + 178905527.

It is an arithmetic number, because the mean of its divisors is an integer number (17174906304).

Almost surely, 2^90883878938 is an apocalyptic number.

90883878938 is a deficient number, since it is larger than the sum of its proper divisors (46515371494).

90883878938 is a wasteful number, since it uses less digits than its factorization.

90883878938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357810676.

The product of its (nonzero) digits is 167215104, while the sum is 71.

The spelling of 90883878938 in words is "ninety billion, eight hundred eighty-three million, eight hundred seventy-eight thousand, nine hundred thirty-eight".