5127821970 has 16 divisors (see below), whose sum is σ = 12306772800. Its totient is φ = 1367419184.

The previous prime is 5127821957. The next prime is 5127821987. The reversal of 5127821970 is 791287215.

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, 85463670 + ... + 85463729.

It is an arithmetic number, because the mean of its divisors is an integer number (769173300).

Almost surely, 2^5127821970 is an apocalyptic number.

5127821970 is an abundant number, since it is smaller than the sum of its proper divisors (7178950830).

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

5127821970 is a wasteful number, since it uses less digits than its factorization.

5127821970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170927409.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 5127821970 is about 71608.8120973948. The cubic root of 5127821970 is about 1724.4250097894.

The spelling of 5127821970 in words is "five billion, one hundred twenty-seven million, eight hundred twenty-one thousand, nine hundred seventy".