3879697500 has 900 divisors, whose sum is σ = 16288948368. Its totient is φ = 798336000.

The previous prime is 3879697487. The next prime is 3879697537. The reversal of 3879697500 is 57969783.

3879697500 is a `hidden beast` number, since 3 + 8 + 79 + 69 + 7 + 500 = 666.

It is a tau number, because it is divible by the number of its divisors (900).

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 polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 168682489 + ... + 168682511.

Almost surely, 2^3879697500 is an apocalyptic number.

3879697500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3879697500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8144474184).

3879697500 is an abundant number, since it is smaller than the sum of its proper divisors (12409250868).

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

3879697500 is a wasteful number, since it uses less digits than its factorization.

3879697500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 3879697500 is about 62287.2177898483. The cubic root of 3879697500 is about 1571.3247639022.

The spelling of 3879697500 in words is "three billion, eight hundred seventy-nine million, six hundred ninety-seven thousand, five hundred".