63078857645 has 16 divisors (see below), whose sum is σ = 76567956480. Its totient is φ = 49882488000.

The previous prime is 63078857623. The next prime is 63078857669. The reversal of 63078857645 is 54675887036.

It is not a de Polignac number, because 63078857645 - 2⁶ = 63078857581 is a prime.

It is a super-3 number, since 3×63078857645³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

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, 211700 + ... + 413490.

It is an arithmetic number, because the mean of its divisors is an integer number (4785497280).

Almost surely, 2^63078857645 is an apocalyptic number.

It is an amenable number.

63078857645 is a deficient number, since it is larger than the sum of its proper divisors (13489098835).

63078857645 is a wasteful number, since it uses less digits than its factorization.

63078857645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202516.

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 63078857645 in words is "sixty-three billion, seventy-eight million, eight hundred fifty-seven thousand, six hundred forty-five".