6458778462 has 16 divisors (see below), whose sum is σ = 13232619792. Its totient is φ = 2100415680.

The previous prime is 6458778437. The next prime is 6458778467. The reversal of 6458778462 is 2648778546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6458778467) 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, 13127353 + ... + 13127844.

It is an arithmetic number, because the mean of its divisors is an integer number (827038737).

Almost surely, 2^6458778462 is an apocalyptic number.

6458778462 is an abundant number, since it is smaller than the sum of its proper divisors (6773841330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6458778462 is a wasteful number, since it uses less digits than its factorization.

6458778462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26255243.

The product of its digits is 18063360, while the sum is 57.

The square root of 6458778462 is about 80366.5257554412. The cubic root of 6458778462 is about 1862.3020848327.

The spelling of 6458778462 in words is "six billion, four hundred fifty-eight million, seven hundred seventy-eight thousand, four hundred sixty-two".