1097717965 has 16 divisors (see below), whose sum is σ = 1395947520. Its totient is φ = 825806080.

The previous prime is 1097717953. The next prime is 1097717977. The reversal of 1097717965 is 5697177901.

It is an interprime number because it is at equal distance from previous prime (1097717953) and next prime (1097717977).

It is not a de Polignac number, because 1097717965 - 2¹³ = 1097709773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107220 + ... + 117010.

It is an arithmetic number, because the mean of its divisors is an integer number (87246720).

Almost surely, 2^1097717965 is an apocalyptic number.

It is an amenable number.

1097717965 is a deficient number, since it is larger than the sum of its proper divisors (298229555).

1097717965 is a wasteful number, since it uses less digits than its factorization.

1097717965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132.

The product of its (nonzero) digits is 833490, while the sum is 52.

The square root of 1097717965 is about 33131.8270700546. The cubic root of 1097717965 is about 1031.5657729533.

The spelling of 1097717965 in words is "one billion, ninety-seven million, seven hundred seventeen thousand, nine hundred sixty-five".