3758247397 has 4 divisors (see below), whose sum is σ = 3879481216. Its totient is φ = 3637013580.

The previous prime is 3758247391. The next prime is 3758247433. The reversal of 3758247397 is 7937428573.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3758247397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3758247391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60616863 + ... + 60616924.

It is an arithmetic number, because the mean of its divisors is an integer number (969870304).

Almost surely, 2^3758247397 is an apocalyptic number.

It is an amenable number.

3758247397 is a deficient number, since it is larger than the sum of its proper divisors (121233819).

3758247397 is a wasteful number, since it uses less digits than its factorization.

3758247397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121233818.

The product of its digits is 8890560, while the sum is 55.

The square root of 3758247397 is about 61304.5462996016. The cubic root of 3758247397 is about 1554.7543781357.

The spelling of 3758247397 in words is "three billion, seven hundred fifty-eight million, two hundred forty-seven thousand, three hundred ninety-seven".