69077972101 has 2 divisors, whose sum is σ = 69077972102. Its totient is φ = 69077972100.

The previous prime is 69077972087. The next prime is 69077972107. The reversal of 69077972101 is 10127977096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48940943076 + 20137029025 = 221226^2 + 141905^2 .

It is a cyclic number.

It is not a de Polignac number, because 69077972101 - 2¹¹ = 69077970053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69077972107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34538986050 + 34538986051.

It is an arithmetic number, because the mean of its divisors is an integer number (34538986051).

Almost surely, 2^69077972101 is an apocalyptic number.

It is an amenable number.

69077972101 is a deficient number, since it is larger than the sum of its proper divisors (1).

69077972101 is an equidigital number, since it uses as much as digits as its factorization.

69077972101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 49.

The spelling of 69077972101 in words is "sixty-nine billion, seventy-seven million, nine hundred seventy-two thousand, one hundred one".