977774667 has 16 divisors (see below), whose sum is σ = 1317658752. Its totient is φ = 644887040.

The previous prime is 977774653. The next prime is 977774711. The reversal of 977774667 is 766477779.

977774667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 977774667 - 2¹⁵ = 977741899 is a prime.

It is a super-3 number, since 3×977774667³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 977774667.

It is not an unprimeable number, because it can be changed into a prime (977774167) 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, 310123 + ... + 313259.

It is an arithmetic number, because the mean of its divisors is an integer number (82353672).

Almost surely, 2^977774667 is an apocalyptic number.

977774667 is a deficient number, since it is larger than the sum of its proper divisors (339884085).

977774667 is a wasteful number, since it uses less digits than its factorization.

977774667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218.

The product of its digits is 21781872, while the sum is 60.

The square root of 977774667 is about 31269.3886572795. The cubic root of 977774667 is about 992.5359827234.

The spelling of 977774667 in words is "nine hundred seventy-seven million, seven hundred seventy-four thousand, six hundred sixty-seven".