3508974378 has 384 divisors, whose sum is σ = 10540800000. Its totient is φ = 861876288.

The previous prime is 3508974377. The next prime is 3508974389. The reversal of 3508974378 is 8734798053.

3508974378 is a `hidden beast` number, since 3 + 508 + 97 + 43 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3508974373) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 59474113 + ... + 59474171.

It is an arithmetic number, because the mean of its divisors is an integer number (27450000).

Almost surely, 2^3508974378 is an apocalyptic number.

3508974378 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3508974378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5270400000).

3508974378 is an abundant number, since it is smaller than the sum of its proper divisors (7031825622).

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

3508974378 is a wasteful number, since it uses less digits than its factorization.

3508974378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 3508974378 is about 59236.5966105414. The cubic root of 3508974378 is about 1519.5910687216.

The spelling of 3508974378 in words is "three billion, five hundred eight million, nine hundred seventy-four thousand, three hundred seventy-eight".