6358778536 has 32 divisors (see below), whose sum is σ = 13572100800. Its totient is φ = 2764685440.

The previous prime is 6358778521. The next prime is 6358778551.

6358778536 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6358778521) and next prime (6358778551).

It is a super-3 number, since 3×6358778536³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568821 + ... + 1572868.

It is an arithmetic number, because the mean of its divisors is an integer number (424128150).

Almost surely, 2^6358778536 is an apocalyptic number.

It is an amenable number.

6358778536 is an abundant number, since it is smaller than the sum of its proper divisors (7213322264).

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

6358778536 is a wasteful number, since it uses less digits than its factorization.

6358778536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141729 (or 3141725 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 58.

The square root of 6358778536 is about 79741.9496626462. The cubic root of 6358778536 is about 1852.6408387359.

The spelling of 6358778536 in words is "six billion, three hundred fifty-eight million, seven hundred seventy-eight thousand, five hundred thirty-six".