6996211387 has 8 divisors (see below), whose sum is σ = 7633560240. Its totient is φ = 6359084160.

The previous prime is 6996211357. The next prime is 6996211441. The reversal of 6996211387 is 7831126996.

It is a happy number.

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

It is not a de Polignac number, because 6996211387 - 2³¹ = 4848727739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6996211307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14439 + ... + 119167.

It is an arithmetic number, because the mean of its divisors is an integer number (954195030).

Almost surely, 2^6996211387 is an apocalyptic number.

6996211387 is a deficient number, since it is larger than the sum of its proper divisors (637348853).

6996211387 is a wasteful number, since it uses less digits than its factorization.

6996211387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110813.

The product of its digits is 979776, while the sum is 52.

The square root of 6996211387 is about 83643.3582958025. The cubic root of 6996211387 is about 1912.5860083040.

The spelling of 6996211387 in words is "six billion, nine hundred ninety-six million, two hundred eleven thousand, three hundred eighty-seven".