972949787 has 8 divisors (see below), whose sum is σ = 1005576192. Its totient is φ = 940401000.

The previous prime is 972949759. The next prime is 972949793. The reversal of 972949787 is 787949279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 972949787 - 2⁶ = 972949723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972949717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6662 + ... + 44612.

It is an arithmetic number, because the mean of its divisors is an integer number (125697024).

Almost surely, 2^972949787 is an apocalyptic number.

972949787 is a deficient number, since it is larger than the sum of its proper divisors (32626405).

972949787 is a wasteful number, since it uses less digits than its factorization.

972949787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38809.

The product of its digits is 16003008, while the sum is 62.

The square root of 972949787 is about 31192.1430331422. The cubic root of 972949787 is about 990.9007165042.

The spelling of 972949787 in words is "nine hundred seventy-two million, nine hundred forty-nine thousand, seven hundred eighty-seven".