5217979100 has 18 divisors (see below), whose sum is σ = 11323014864. Its totient is φ = 2087191600.

The previous prime is 5217979087. The next prime is 5217979121. The reversal of 5217979100 is 19797125.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26089796 + ... + 26089995.

Almost surely, 2^5217979100 is an apocalyptic number.

5217979100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5217979100 is an abundant number, since it is smaller than the sum of its proper divisors (6105035764).

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

5217979100 is a wasteful number, since it uses less digits than its factorization.

5217979100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52179805 (or 52179798 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 5217979100 is about 72235.5805680276. The cubic root of 5217979100 is about 1734.4726061347.

The spelling of 5217979100 in words is "five billion, two hundred seventeen million, nine hundred seventy-nine thousand, one hundred".