1967078964 has 24 divisors (see below), whose sum is σ = 4631962720. Its totient is φ = 649677024.

The previous prime is 1967078957. The next prime is 1967078969. The reversal of 1967078964 is 4698707691.

It is a super-2 number, since 2×1967078964² = 7738799301222626592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1967078969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750634 + ... + 753249.

Almost surely, 2^1967078964 is an apocalyptic number.

It is an amenable number.

1967078964 is an abundant number, since it is smaller than the sum of its proper divisors (2664883756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1967078964 is a wasteful number, since it uses less digits than its factorization.

1967078964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503999 (or 1503997 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 1967078964 is about 44351.7639333544. The cubic root of 1967078964 is about 1252.9697843703.

The spelling of 1967078964 in words is "one billion, nine hundred sixty-seven million, seventy-eight thousand, nine hundred sixty-four".