3725821587715 has 8 divisors (see below), whose sum is σ = 4471002578448. Its totient is φ = 2980646154720.

The previous prime is 3725821587707. The next prime is 3725821587727. The reversal of 3725821587715 is 5177851285273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3725821587715 - 2³ = 3725821587707 is a prime.

It is a Duffinian 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, 264369 + ... + 2742541.

It is an arithmetic number, because the mean of its divisors is an integer number (558875322306).

Almost surely, 2^{3725821587715} is an apocalyptic number.

3725821587715 is a deficient number, since it is larger than the sum of its proper divisors (745180990733).

3725821587715 is a wasteful number, since it uses less digits than its factorization.

3725821587715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778869.

The product of its digits is 32928000, while the sum is 61.

The spelling of 3725821587715 in words is "three trillion, seven hundred twenty-five billion, eight hundred twenty-one million, five hundred eighty-seven thousand, seven hundred fifteen".