7954047137 has 4 divisors (see below), whose sum is σ = 7954303536. Its totient is φ = 7953790740.

The previous prime is 7954047103. The next prime is 7954047149. The reversal of 7954047137 is 7317404597.

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 a de Polignac number, because none of the positive numbers 2^k-7954047137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7954047091 and 7954047100.

It is not an unprimeable number, because it can be changed into a prime (7954047187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74039 + ... + 146252.

It is an arithmetic number, because the mean of its divisors is an integer number (1988575884).

Almost surely, 2^7954047137 is an apocalyptic number.

It is an amenable number.

7954047137 is a deficient number, since it is larger than the sum of its proper divisors (256399).

7954047137 is a wasteful number, since it uses less digits than its factorization.

7954047137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256398.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 7954047137 is about 89185.4648303186. The cubic root of 7954047137 is about 1996.1632390895.

The spelling of 7954047137 in words is "seven billion, nine hundred fifty-four million, forty-seven thousand, one hundred thirty-seven".