625270775764 has 6 divisors (see below), whose sum is σ = 1094223857594. Its totient is φ = 312635387880.

The previous prime is 625270775729. The next prime is 625270775777. The reversal of 625270775764 is 467577072526.

625270775764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 528953653264 + 96317122500 = 727292^2 + 310350^2 .

It is a super-3 number, since 3×625270775764³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 625270775699 and 625270775708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78158846967 + ... + 78158846974.

Almost surely, 2^625270775764 is an apocalyptic number.

It is an amenable number.

625270775764 is a deficient number, since it is larger than the sum of its proper divisors (468953081830).

625270775764 is a wasteful number, since it uses less digits than its factorization.

625270775764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156317693945 (or 156317693943 counting only the distinct ones).

The product of its (nonzero) digits is 34574400, while the sum is 58.

The spelling of 625270775764 in words is "six hundred twenty-five billion, two hundred seventy million, seven hundred seventy-five thousand, seven hundred sixty-four".