972807219 has 16 divisors (see below), whose sum is σ = 1480148640. Its totient is φ = 631009440.

The previous prime is 972807211. The next prime is 972807229. The reversal of 972807219 is 912708279.

It is not a de Polignac number, because 972807219 - 2³ = 972807211 is a prime.

It is a super-2 number, since 2×972807219² = 1892707770677027922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (972807211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485892 + ... + 487889.

It is an arithmetic number, because the mean of its divisors is an integer number (92509290).

Almost surely, 2^972807219 is an apocalyptic number.

972807219 is a deficient number, since it is larger than the sum of its proper divisors (507341421).

972807219 is a wasteful number, since it uses less digits than its factorization.

972807219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973827 (or 973821 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 972807219 is about 31189.8576303259. The cubic root of 972807219 is about 990.8523146798.

The spelling of 972807219 in words is "nine hundred seventy-two million, eight hundred seven thousand, two hundred nineteen".