7737406461157 has 4 divisors (see below), whose sum is σ = 7742215292140. Its totient is φ = 7732597630176.

The previous prime is 7737406461151. The next prime is 7737406461193. The reversal of 7737406461157 is 7511646047377.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5032726903876 + 2704679557281 = 2243374^2 + 1644591^2 .

It is a cyclic number.

It is not a de Polignac number, because 7737406461157 - 2²³ = 7737398072549 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 (7737406461151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404413078 + ... + 2404416295.

It is an arithmetic number, because the mean of its divisors is an integer number (1935553823035).

Almost surely, 2^{7737406461157} is an apocalyptic number.

It is an amenable number.

7737406461157 is a deficient number, since it is larger than the sum of its proper divisors (4808830983).

7737406461157 is a wasteful number, since it uses less digits than its factorization.

7737406461157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808830982.

The product of its (nonzero) digits is 20744640, while the sum is 58.

The spelling of 7737406461157 in words is "seven trillion, seven hundred thirty-seven billion, four hundred six million, four hundred sixty-one thousand, one hundred fifty-seven".