6787213151 has 4 divisors (see below), whose sum is σ = 6787502400. Its totient is φ = 6786923904.

The previous prime is 6787213109. The next prime is 6787213159. The reversal of 6787213151 is 1513127876.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6787213151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6787213099 and 6787213108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6787213159) 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, 105986 + ... + 157503.

It is an arithmetic number, because the mean of its divisors is an integer number (1696875600).

Almost surely, 2^6787213151 is an apocalyptic number.

6787213151 is a deficient number, since it is larger than the sum of its proper divisors (289249).

6787213151 is a wasteful number, since it uses less digits than its factorization.

6787213151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289248.

The product of its digits is 70560, while the sum is 41.

The square root of 6787213151 is about 82384.5443696814. The cubic root of 6787213151 is about 1893.3482218138.

The spelling of 6787213151 in words is "six billion, seven hundred eighty-seven million, two hundred thirteen thousand, one hundred fifty-one".