3870457797 has 4 divisors (see below), whose sum is σ = 5160610400. Its totient is φ = 2580305196.

The previous prime is 3870457777. The next prime is 3870457817. The reversal of 3870457797 is 7977540783.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (3870457777) and next prime (3870457817).

It is not a de Polignac number, because 3870457797 - 2¹⁸ = 3870195653 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 (3870457727) 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, 645076297 + ... + 645076302.

It is an arithmetic number, because the mean of its divisors is an integer number (1290152600).

Almost surely, 2^3870457797 is an apocalyptic number.

It is an amenable number.

3870457797 is a deficient number, since it is larger than the sum of its proper divisors (1290152603).

3870457797 is a wasteful number, since it uses less digits than its factorization.

3870457797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290152602.

The product of its (nonzero) digits is 10372320, while the sum is 57.

The square root of 3870457797 is about 62213.0034397954. The cubic root of 3870457797 is about 1570.0763749071.

The spelling of 3870457797 in words is "three billion, eight hundred seventy million, four hundred fifty-seven thousand, seven hundred ninety-seven".