7946071157 has 4 divisors (see below), whose sum is σ = 7950301920. Its totient is φ = 7941840396.

The previous prime is 7946071139. The next prime is 7946071169. The reversal of 7946071157 is 7511706497.

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 a cyclic number.

It is not a de Polignac number, because 7946071157 - 2¹² = 7946067061 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 (7946071657) 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, 2112563 + ... + 2116320.

It is an arithmetic number, because the mean of its divisors is an integer number (1987575480).

Almost surely, 2^7946071157 is an apocalyptic number.

It is an amenable number.

7946071157 is a deficient number, since it is larger than the sum of its proper divisors (4230763).

7946071157 is a wasteful number, since it uses less digits than its factorization.

7946071157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230762.

The product of its (nonzero) digits is 370440, while the sum is 47.

The square root of 7946071157 is about 89140.7379204368. The cubic root of 7946071157 is about 1995.4957934266.

The spelling of 7946071157 in words is "seven billion, nine hundred forty-six million, seventy-one thousand, one hundred fifty-seven".