1745097977 has 4 divisors (see below), whose sum is σ = 1994397696. Its totient is φ = 1495798260.

The previous prime is 1745097967. The next prime is 1745097979. The reversal of 1745097977 is 7797905471.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7797905471 = 1993 ⋅3912647.

It is a cyclic number.

It is not a de Polignac number, because 1745097977 - 2⁸ = 1745097721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1745097979) 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, 124649849 + ... + 124649862.

It is an arithmetic number, because the mean of its divisors is an integer number (498599424).

Almost surely, 2^1745097977 is an apocalyptic number.

It is an amenable number.

1745097977 is a deficient number, since it is larger than the sum of its proper divisors (249299719).

1745097977 is an equidigital number, since it uses as much as digits as its factorization.

1745097977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249299718.

The product of its (nonzero) digits is 3889620, while the sum is 56.

The square root of 1745097977 is about 41774.3698576053. The cubic root of 1745097977 is about 1203.9448824211.

The spelling of 1745097977 in words is "one billion, seven hundred forty-five million, ninety-seven thousand, nine hundred seventy-seven".