63125777 has 32 divisors (see below), whose sum is σ = 82010880. Its totient is φ = 47646720.

The previous prime is 63125759. The next prime is 63125813. The reversal of 63125777 is 77752136.

It is not a de Polignac number, because 63125777 - 2²⁰ = 62077201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63125777.

It is not an unprimeable number, because it can be changed into a prime (63125717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55349 + ... + 56477.

It is an arithmetic number, because the mean of its divisors is an integer number (2562840).

Almost surely, 2^63125777 is an apocalyptic number.

It is an amenable number.

63125777 is a deficient number, since it is larger than the sum of its proper divisors (18885103).

63125777 is a wasteful number, since it uses less digits than its factorization.

63125777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its digits is 61740, while the sum is 38.

The square root of 63125777 is about 7945.1731887983. The cubic root of 63125777 is about 398.1703457572.

The spelling of 63125777 in words is "sixty-three million, one hundred twenty-five thousand, seven hundred seventy-seven".