977790226 has 16 divisors (see below), whose sum is σ = 1677525696. Its totient is φ = 418724496.

The previous prime is 977790221. The next prime is 977790239. The reversal of 977790226 is 622097779.

977790226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×977790226³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 977790226.

It is not an unprimeable number, because it can be changed into a prime (977790221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8421 + ... + 45016.

It is an arithmetic number, because the mean of its divisors is an integer number (104845356).

Almost surely, 2^977790226 is an apocalyptic number.

977790226 is a deficient number, since it is larger than the sum of its proper divisors (699735470).

977790226 is a wasteful number, since it uses less digits than its factorization.

977790226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54753.

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

The square root of 977790226 is about 31269.6374459315. The cubic root of 977790226 is about 992.5412473261.

The spelling of 977790226 in words is "nine hundred seventy-seven million, seven hundred ninety thousand, two hundred twenty-six".