70778852577653 has 16 divisors (see below), whose sum is σ = 77262678418752. Its totient is φ = 64303267392000.

The previous prime is 70778852577619. The next prime is 70778852577659. The reversal of 70778852577653 is 35677525887707.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70778852577653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70778852577659) 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, 145641758 + ... + 146126928.

It is an arithmetic number, because the mean of its divisors is an integer number (4828917401172).

Almost surely, 2^{70778852577653} is an apocalyptic number.

It is an amenable number.

70778852577653 is a deficient number, since it is larger than the sum of its proper divisors (6483825841099).

70778852577653 is a wasteful number, since it uses less digits than its factorization.

70778852577653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493636.

The product of its (nonzero) digits is 4840416000, while the sum is 77.

The spelling of 70778852577653 in words is "seventy trillion, seven hundred seventy-eight billion, eight hundred fifty-two million, five hundred seventy-seven thousand, six hundred fifty-three".