3725666898 has 16 divisors (see below), whose sum is σ = 7453083456. Its totient is φ = 1241597360.

The previous prime is 3725666837. The next prime is 3725666929. The reversal of 3725666898 is 8986665273.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44361 + ... + 97052.

It is an arithmetic number, because the mean of its divisors is an integer number (465817716).

Almost surely, 2^3725666898 is an apocalyptic number.

3725666898 is an abundant number, since it is smaller than the sum of its proper divisors (3727416558).

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

3725666898 is a wasteful number, since it uses less digits than its factorization.

3725666898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145809.

The product of its digits is 26127360, while the sum is 60.

The square root of 3725666898 is about 61038.2412754496. The cubic root of 3725666898 is about 1550.2485758809.

The spelling of 3725666898 in words is "three billion, seven hundred twenty-five million, six hundred sixty-six thousand, eight hundred ninety-eight".