971752890 has 32 divisors (see below), whose sum is σ = 2389093056. Its totient is φ = 252813440.

The previous prime is 971752883. The next prime is 971752907. The reversal of 971752890 is 98257179.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393792 + ... + 396251.

It is an arithmetic number, because the mean of its divisors is an integer number (74659158).

Almost surely, 2^971752890 is an apocalyptic number.

971752890 is an abundant number, since it is smaller than the sum of its proper divisors (1417340166).

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

971752890 is a wasteful number, since it uses less digits than its factorization.

971752890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790094.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 971752890 is about 31172.9512558564. The cubic root of 971752890 is about 990.4942231872.

The spelling of 971752890 in words is "nine hundred seventy-one million, seven hundred fifty-two thousand, eight hundred ninety".