7948780133 has 8 divisors (see below), whose sum is σ = 9238292160. Its totient is φ = 6697761120.

The previous prime is 7948780129. The next prime is 7948780159. The reversal of 7948780133 is 3310878497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7948780133 - 2² = 7948780129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948780123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9622808 + ... + 9623633.

It is an arithmetic number, because the mean of its divisors is an integer number (1154786520).

Almost surely, 2^7948780133 is an apocalyptic number.

It is an amenable number.

7948780133 is a deficient number, since it is larger than the sum of its proper divisors (1289512027).

7948780133 is a wasteful number, since it uses less digits than its factorization.

7948780133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19246507.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 7948780133 is about 89155.9315637496. The cubic root of 7948780133 is about 1995.7225359225.

The spelling of 7948780133 in words is "seven billion, nine hundred forty-eight million, seven hundred eighty thousand, one hundred thirty-three".