1078097465 has 4 divisors (see below), whose sum is σ = 1293716964. Its totient is φ = 862477968.

The previous prime is 1078097443. The next prime is 1078097467. The reversal of 1078097465 is 5647908701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5647908701 = 337 ⋅16759373.

It can be written as a sum of positive squares in 2 ways, for example, as 567201856 + 510895609 = 23816^2 + 22603^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078097465 - 2¹⁰ = 1078096441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078097467) 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, 107809742 + ... + 107809751.

It is an arithmetic number, because the mean of its divisors is an integer number (323429241).

Almost surely, 2^1078097465 is an apocalyptic number.

It is an amenable number.

1078097465 is a deficient number, since it is larger than the sum of its proper divisors (215619499).

1078097465 is an equidigital number, since it uses as much as digits as its factorization.

1078097465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215619498.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 1078097465 is about 32834.3945429179. The cubic root of 1078097465 is about 1025.3827529509.

The spelling of 1078097465 in words is "one billion, seventy-eight million, ninety-seven thousand, four hundred sixty-five".