10894136977 has 2 divisors, whose sum is σ = 10894136978. Its totient is φ = 10894136976.

The previous prime is 10894136971. The next prime is 10894136983. The reversal of 10894136977 is 77963149801.

It is a balanced prime because it is at equal distance from previous prime (10894136971) and next prime (10894136983).

It can be written as a sum of positive squares in only one way, i.e., 10857848401 + 36288576 = 104201^2 + 6024^2 .

It is a cyclic number.

It is not a de Polignac number, because 10894136977 - 2¹⁵ = 10894104209 is a prime.

It is not a weakly prime, because it can be changed into another prime (10894136971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5447068488 + 5447068489.

It is an arithmetic number, because the mean of its divisors is an integer number (5447068489).

Almost surely, 2^10894136977 is an apocalyptic number.

It is an amenable number.

10894136977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10894136977 is an equidigital number, since it uses as much as digits as its factorization.

10894136977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 10894136977 in words is "ten billion, eight hundred ninety-four million, one hundred thirty-six thousand, nine hundred seventy-seven".