10780628457 has 4 divisors (see below), whose sum is σ = 14374171280. Its totient is φ = 7187085636.

The previous prime is 10780628449. The next prime is 10780628477. The reversal of 10780628457 is 75482608701.

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 not a de Polignac number, because 10780628457 - 2³ = 10780628449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10780628477) 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, 1796771407 + ... + 1796771412.

It is an arithmetic number, because the mean of its divisors is an integer number (3593542820).

Almost surely, 2^10780628457 is an apocalyptic number.

It is an amenable number.

10780628457 is a deficient number, since it is larger than the sum of its proper divisors (3593542823).

10780628457 is an equidigital number, since it uses as much as digits as its factorization.

10780628457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593542822.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 10780628457 in words is "ten billion, seven hundred eighty million, six hundred twenty-eight thousand, four hundred fifty-seven".