1967078963 has 4 divisors (see below), whose sum is σ = 1980106128. Its totient is φ = 1954051800.

The previous prime is 1967078957. The next prime is 1967078969. The reversal of 1967078963 is 3698707691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3698707691 = 7 ⋅528386813.

It is an interprime number because it is at equal distance from previous prime (1967078957) and next prime (1967078969).

It is a cyclic number.

It is not a de Polignac number, because 1967078963 - 2⁶ = 1967078899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1967078899 and 1967078908.

It is not an unprimeable number, because it can be changed into a prime (1967078969) 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, 6513356 + ... + 6513657.

It is an arithmetic number, because the mean of its divisors is an integer number (495026532).

Almost surely, 2^1967078963 is an apocalyptic number.

1967078963 is a deficient number, since it is larger than the sum of its proper divisors (13027165).

1967078963 is a wasteful number, since it uses less digits than its factorization.

1967078963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027164.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 1967078963 is about 44351.7639220809. The cubic root of 1967078963 is about 1252.9697841579.

The spelling of 1967078963 in words is "one billion, nine hundred sixty-seven million, seventy-eight thousand, nine hundred sixty-three".