1078423964 has 36 divisors (see below), whose sum is σ = 2007354888. Its totient is φ = 506844000.

The previous prime is 1078423921. The next prime is 1078423967. The reversal of 1078423964 is 4693248701.

It is a super-2 number, since 2×1078423964² = 2325996492258946592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078423967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186314 + ... + 192014.

It is an arithmetic number, because the mean of its divisors is an integer number (55759858).

Almost surely, 2^1078423964 is an apocalyptic number.

It is an amenable number.

1078423964 is a deficient number, since it is larger than the sum of its proper divisors (928930924).

1078423964 is a wasteful number, since it uses less digits than its factorization.

1078423964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874 (or 5853 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1078423964 is about 32839.3660718352. The cubic root of 1078423964 is about 1025.4862539990.

The spelling of 1078423964 in words is "one billion, seventy-eight million, four hundred twenty-three thousand, nine hundred sixty-four".