3545437878 has 40 divisors (see below), whose sum is σ = 7964562672. Its totient is φ = 1178814384.

The previous prime is 3545437859. The next prime is 3545437897. The reversal of 3545437878 is 8787345453.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3545437859) and next prime (3545437897).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36751 + ... + 91877.

Almost surely, 2^3545437878 is an apocalyptic number.

3545437878 is an abundant number, since it is smaller than the sum of its proper divisors (4419124794).

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

3545437878 is a wasteful number, since it uses less digits than its factorization.

3545437878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55538 (or 55529 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The square root of 3545437878 is about 59543.5796538972. The cubic root of 3545437878 is about 1524.8365501431.

The spelling of 3545437878 in words is "three billion, five hundred forty-five million, four hundred thirty-seven thousand, eight hundred seventy-eight".