7967937813 has 8 divisors (see below), whose sum is σ = 11589727776. Its totient is φ = 4829053200.

The previous prime is 7967937779. The next prime is 7967937829. The reversal of 7967937813 is 3187397697.

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

It is not a de Polignac number, because 7967937813 - 2⁶ = 7967937749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7967937613) 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, 120726298 + ... + 120726363.

It is an arithmetic number, because the mean of its divisors is an integer number (1448715972).

Almost surely, 2^7967937813 is an apocalyptic number.

It is an amenable number.

7967937813 is a deficient number, since it is larger than the sum of its proper divisors (3621789963).

7967937813 is a wasteful number, since it uses less digits than its factorization.

7967937813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241452675.

The product of its digits is 12002256, while the sum is 60.

The square root of 7967937813 is about 89263.3060837431. The cubic root of 7967937813 is about 1997.3245737263.

The spelling of 7967937813 in words is "seven billion, nine hundred sixty-seven million, nine hundred thirty-seven thousand, eight hundred thirteen".