3878898497 has 4 divisors (see below), whose sum is σ = 3879192240. Its totient is φ = 3878604756.

The previous prime is 3878898437. The next prime is 3878898523. The reversal of 3878898497 is 7948988783.

3878898497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7948988783 = 31 ⋅256418993.

It is a cyclic number.

It is not a de Polignac number, because 3878898497 - 2⁶ = 3878898433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3878898497.

It is not an unprimeable number, because it can be changed into a prime (3878898437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126083 + ... + 153800.

It is an arithmetic number, because the mean of its divisors is an integer number (969798060).

Almost surely, 2^3878898497 is an apocalyptic number.

It is an amenable number.

3878898497 is a deficient number, since it is larger than the sum of its proper divisors (293743).

3878898497 is a wasteful number, since it uses less digits than its factorization.

3878898497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293742.

The product of its digits is 195084288, while the sum is 71.

The square root of 3878898497 is about 62280.8035995041. The cubic root of 3878898497 is about 1571.2168878460.

The spelling of 3878898497 in words is "three billion, eight hundred seventy-eight million, eight hundred ninety-eight thousand, four hundred ninety-seven".