772664105 has 8 divisors (see below), whose sum is σ = 927369864. Its totient is φ = 618016000.

The previous prime is 772664041. The next prime is 772664111. The reversal of 772664105 is 501466277.

It can be written as a sum of positive squares in 4 ways, for example, as 36735721 + 735928384 = 6061^2 + 27128^2 .

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

It is not a de Polignac number, because 772664105 - 2⁶ = 772664041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24755 + ... + 46455.

It is an arithmetic number, because the mean of its divisors is an integer number (115921233).

Almost surely, 2^772664105 is an apocalyptic number.

It is an amenable number.

772664105 is a deficient number, since it is larger than the sum of its proper divisors (154705759).

772664105 is a wasteful number, since it uses less digits than its factorization.

772664105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28827.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 772664105 is about 27796.8362408386. The cubic root of 772664105 is about 917.6214966794.

The spelling of 772664105 in words is "seven hundred seventy-two million, six hundred sixty-four thousand, one hundred five".