7377145427257 has 8 divisors (see below), whose sum is σ = 7698658072896. Its totient is φ = 7055696714352.

The previous prime is 7377145427213. The next prime is 7377145427383. The reversal of 7377145427257 is 7527245417737.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7377145427257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7377145427195 and 7377145427204.

It is not an unprimeable number, because it can be changed into a prime (7377145427657) 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, 15747303 + ... + 16209004.

It is an arithmetic number, because the mean of its divisors is an integer number (962332259112).

Almost surely, 2^{7377145427257} is an apocalyptic number.

It is an amenable number.

7377145427257 is a deficient number, since it is larger than the sum of its proper divisors (321512645639).

7377145427257 is a wasteful number, since it uses less digits than its factorization.

7377145427257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31966367.

The product of its digits is 80673600, while the sum is 61.

The spelling of 7377145427257 in words is "seven trillion, three hundred seventy-seven billion, one hundred forty-five million, four hundred twenty-seven thousand, two hundred fifty-seven".