977940706 has 8 divisors (see below), whose sum is σ = 1467126720. Its totient is φ = 488898468.

The previous prime is 977940679. The next prime is 977940709. The reversal of 977940706 is 607049779.

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

It is a self number, because there is not a number n which added to its sum of digits gives 977940706.

It is not an unprimeable number, because it can be changed into a prime (977940709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16926 + ... + 47353.

It is an arithmetic number, because the mean of its divisors is an integer number (183390840).

Almost surely, 2^977940706 is an apocalyptic number.

977940706 is a deficient number, since it is larger than the sum of its proper divisors (489186014).

977940706 is a wasteful number, since it uses less digits than its factorization.

977940706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71888.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 977940706 is about 31272.0435213307. The cubic root of 977940706 is about 992.5921614321.

The spelling of 977940706 in words is "nine hundred seventy-seven million, nine hundred forty thousand, seven hundred six".