38833397478 has 24 divisors (see below), whose sum is σ = 87797247408. Its totient is φ = 12381662832.

The previous prime is 38833397467. The next prime is 38833397503. The reversal of 38833397478 is 87479333883.

38833397478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46899825 + ... + 46900652.

It is an arithmetic number, because the mean of its divisors is an integer number (3658218642).

Almost surely, 2^38833397478 is an apocalyptic number.

38833397478 is an abundant number, since it is smaller than the sum of its proper divisors (48963849930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38833397478 is a wasteful number, since it uses less digits than its factorization.

38833397478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93800508 (or 93800505 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 38833397478 in words is "thirty-eight billion, eight hundred thirty-three million, three hundred ninety-seven thousand, four hundred seventy-eight".