706778365745 has 16 divisors (see below), whose sum is σ = 945288714240. Its totient is φ = 504153978624.

The previous prime is 706778365691. The next prime is 706778365753. The reversal of 706778365745 is 547563877607.

It is a cyclic number.

It is not a de Polignac number, because 706778365745 - 2¹² = 706778361649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218815217 + ... + 218818446.

It is an arithmetic number, because the mean of its divisors is an integer number (59080544640).

Almost surely, 2^706778365745 is an apocalyptic number.

It is an amenable number.

706778365745 is a deficient number, since it is larger than the sum of its proper divisors (238510348495).

706778365745 is a wasteful number, since it uses less digits than its factorization.

706778365745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437633704.

The product of its (nonzero) digits is 207446400, while the sum is 65.

The spelling of 706778365745 in words is "seven hundred six billion, seven hundred seventy-eight million, three hundred sixty-five thousand, seven hundred forty-five".