7134767978 has 96 divisors (see below), whose sum is σ = 12977832960. Its totient is φ = 2925511680.

The previous prime is 7134767963. The next prime is 7134767993. The reversal of 7134767978 is 8797674317.

It is an interprime number because it is at equal distance from previous prime (7134767963) and next prime (7134767993).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7831343 + ... + 7832253.

It is an arithmetic number, because the mean of its divisors is an integer number (135185760).

Almost surely, 2^7134767978 is an apocalyptic number.

7134767978 is a deficient number, since it is larger than the sum of its proper divisors (5843064982).

7134767978 is a wasteful number, since it uses less digits than its factorization.

7134767978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1019 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 59.

The square root of 7134767978 is about 84467.5557714321. Note that the first 3 decimals coincide. The cubic root of 7134767978 is about 1925.1295108682.

The spelling of 7134767978 in words is "seven billion, one hundred thirty-four million, seven hundred sixty-seven thousand, nine hundred seventy-eight".