5978640751 has 4 divisors (see below), whose sum is σ = 6117678952. Its totient is φ = 5839602552.

The previous prime is 5978640743. The next prime is 5978640761. The reversal of 5978640751 is 1570468795.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5978640751 - 2³ = 5978640743 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 (5978640761) 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, 69519036 + ... + 69519121.

It is an arithmetic number, because the mean of its divisors is an integer number (1529419738).

Almost surely, 2^5978640751 is an apocalyptic number.

5978640751 is a deficient number, since it is larger than the sum of its proper divisors (139038201).

5978640751 is a wasteful number, since it uses less digits than its factorization.

5978640751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139038200.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The square root of 5978640751 is about 77321.6706428411. The cubic root of 5978640751 is about 1814.9617884884.

The spelling of 5978640751 in words is "five billion, nine hundred seventy-eight million, six hundred forty thousand, seven hundred fifty-one".