625381878071 has 2 divisors, whose sum is σ = 625381878072. Its totient is φ = 625381878070.

The previous prime is 625381878059. The next prime is 625381878089. The reversal of 625381878071 is 170878183526.

625381878071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625381878071 - 2³⁸ = 350503971127 is a prime.

It is a super-2 number, since 2×625381878071² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 625381877998 and 625381878016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625381878001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312690939035 + 312690939036.

It is an arithmetic number, because the mean of its divisors is an integer number (312690939036).

Almost surely, 2^625381878071 is an apocalyptic number.

625381878071 is a deficient number, since it is larger than the sum of its proper divisors (1).

625381878071 is an equidigital number, since it uses as much as digits as its factorization.

625381878071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 56.

The spelling of 625381878071 in words is "six hundred twenty-five billion, three hundred eighty-one million, eight hundred seventy-eight thousand, seventy-one".