7996137278 has 8 divisors (see below), whose sum is σ = 12002298168. Its totient is φ = 3995371224.

The previous prime is 7996137277. The next prime is 7996137287. The reversal of 7996137278 is 8727316997.

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

It is a super-2 number, since 2×7996137278² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7996137277) 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, 1345001 + ... + 1350932.

It is an arithmetic number, because the mean of its divisors is an integer number (1500287271).

Almost surely, 2^7996137278 is an apocalyptic number.

7996137278 is a deficient number, since it is larger than the sum of its proper divisors (4006160890).

7996137278 is a wasteful number, since it uses less digits than its factorization.

7996137278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697418.

The product of its digits is 8001504, while the sum is 59.

The square root of 7996137278 is about 89421.1232204114. The cubic root of 7996137278 is about 1999.6780546784.

The spelling of 7996137278 in words is "seven billion, nine hundred ninety-six million, one hundred thirty-seven thousand, two hundred seventy-eight".