994172000677 has 2 divisors, whose sum is σ = 994172000678. Its totient is φ = 994172000676.

The previous prime is 994172000671. The next prime is 994172000707. The reversal of 994172000677 is 776000271499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992173374241 + 1998626436 = 996079^2 + 44706^2 .

It is a cyclic number.

It is not a de Polignac number, because 994172000677 - 2¹⁵ = 994171967909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994172000671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497086000338 + 497086000339.

It is an arithmetic number, because the mean of its divisors is an integer number (497086000339).

Almost surely, 2^994172000677 is an apocalyptic number.

It is an amenable number.

994172000677 is a deficient number, since it is larger than the sum of its proper divisors (1).

994172000677 is an equidigital number, since it uses as much as digits as its factorization.

994172000677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 994172000677 in words is "nine hundred ninety-four billion, one hundred seventy-two million, six hundred seventy-seven", and thus it is an aban number.