1078480997 has 4 divisors (see below), whose sum is σ = 1176524736. Its totient is φ = 980437260.

The previous prime is 1078480981. The next prime is 1078480999. The reversal of 1078480997 is 7990848701.

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: 7990848701 = 11 ⋅726440791.

It is not a de Polignac number, because 1078480997 - 2⁴ = 1078480981 is a prime.

It is a super-2 number, since 2×1078480997² = 2326242521780228018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078480999) 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, 49021853 + ... + 49021874.

It is an arithmetic number, because the mean of its divisors is an integer number (294131184).

Almost surely, 2^1078480997 is an apocalyptic number.

It is an amenable number.

1078480997 is a deficient number, since it is larger than the sum of its proper divisors (98043739).

1078480997 is an equidigital number, since it uses as much as digits as its factorization.

1078480997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98043738.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 1078480997 is about 32840.2344236456. The cubic root of 1078480997 is about 1025.5043314677.

The spelling of 1078480997 in words is "one billion, seventy-eight million, four hundred eighty thousand, nine hundred ninety-seven".