1077402523657 has 4 divisors (see below), whose sum is σ = 1095663583440. Its totient is φ = 1059141463876.

The previous prime is 1077402523643. The next prime is 1077402523661. The reversal of 1077402523657 is 7563252047701.

1077402523657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1077402523657 - 2¹¹ = 1077402521609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1077402523657.

It is not an unprimeable number, because it can be changed into a prime (1077402923657) 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, 9130529803 + ... + 9130529920.

It is an arithmetic number, because the mean of its divisors is an integer number (273915895860).

Almost surely, 2^{1077402523657} is an apocalyptic number.

It is an amenable number.

1077402523657 is a deficient number, since it is larger than the sum of its proper divisors (18261059783).

1077402523657 is an equidigital number, since it uses as much as digits as its factorization.

1077402523657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261059782.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 1077402523657 in words is "one trillion, seventy-seven billion, four hundred two million, five hundred twenty-three thousand, six hundred fifty-seven".