677261403063 has 32 divisors (see below), whose sum is σ = 1170087744000. Its totient is φ = 387006510744.

The previous prime is 677261403053. The next prime is 677261403083. The reversal of 677261403063 is 360304162776.

677261403063 is a `hidden beast` number, since 67 + 72 + 61 + 403 + 0 + 63 = 666.

It is not a de Polignac number, because 677261403063 - 2⁴ = 677261403047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677261403043) 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, 36555981 + ... + 36574502.

It is an arithmetic number, because the mean of its divisors is an integer number (36565242000).

Almost surely, 2^677261403063 is an apocalyptic number.

677261403063 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

677261403063 is a deficient number, since it is larger than the sum of its proper divisors (492826340937).

677261403063 is an equidigital number, since it uses as much as digits as its factorization.

677261403063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73130513 (or 73130493 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 677261403063 in words is "six hundred seventy-seven billion, two hundred sixty-one million, four hundred three thousand, sixty-three".