705470077764 has 36 divisors (see below), whose sum is σ = 1807699970076. Its totient is φ = 231935367168.

The previous prime is 705470077751. The next prime is 705470077777. The reversal of 705470077764 is 467770074507.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (705470077751) and next prime (705470077777).

It can be written as a sum of positive squares in 2 ways, for example, as 570493196100 + 134976881664 = 755310^2 + 367392^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 705470077764.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134219229 + ... + 134224484.

Almost surely, 2^705470077764 is an apocalyptic number.

It is an amenable number.

705470077764 is an abundant number, since it is smaller than the sum of its proper divisors (1102229892312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705470077764 is a wasteful number, since it uses less digits than its factorization.

705470077764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268443796 (or 268443791 counting only the distinct ones).

The product of its (nonzero) digits is 8067360, while the sum is 54.

The spelling of 705470077764 in words is "seven hundred five billion, four hundred seventy million, seventy-seven thousand, seven hundred sixty-four".