4978356757 has 4 divisors (see below), whose sum is σ = 5430934656. Its totient is φ = 4525778860.

The previous prime is 4978356731. The next prime is 4978356769. The reversal of 4978356757 is 7576538794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4978356757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4978356695 and 4978356704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978356787) 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, 226288933 + ... + 226288954.

It is an arithmetic number, because the mean of its divisors is an integer number (1357733664).

Almost surely, 2^4978356757 is an apocalyptic number.

It is an amenable number.

4978356757 is a deficient number, since it is larger than the sum of its proper divisors (452577899).

4978356757 is a wasteful number, since it uses less digits than its factorization.

4978356757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452577898.

The product of its digits is 44452800, while the sum is 61.

The square root of 4978356757 is about 70557.4713053125. The cubic root of 4978356757 is about 1707.5050830772.

The spelling of 4978356757 in words is "four billion, nine hundred seventy-eight million, three hundred fifty-six thousand, seven hundred fifty-seven".