7455457278357 has 32 divisors (see below), whose sum is σ = 11140148764800. Its totient is φ = 4395249745920.

The previous prime is 7455457278349. The next prime is 7455457278391. The reversal of 7455457278357 is 7538727545547.

It is not a de Polignac number, because 7455457278357 - 2³ = 7455457278349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7455457278291 and 7455457278300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7455457278757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4189813 + ... + 5697845.

It is an arithmetic number, because the mean of its divisors is an integer number (348129648900).

Almost surely, 2^{7455457278357} is an apocalyptic number.

It is an amenable number.

7455457278357 is a deficient number, since it is larger than the sum of its proper divisors (3684691486443).

7455457278357 is a wasteful number, since it uses less digits than its factorization.

7455457278357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512133.

The product of its digits is 1152480000, while the sum is 69.

The spelling of 7455457278357 in words is "seven trillion, four hundred fifty-five billion, four hundred fifty-seven million, two hundred seventy-eight thousand, three hundred fifty-seven".