142697000977 has 2 divisors, whose sum is σ = 142697000978. Its totient is φ = 142697000976.

The previous prime is 142697000951. The next prime is 142697001017. The reversal of 142697000977 is 779000796241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93462272656 + 49234728321 = 305716^2 + 221889^2 .

It is a cyclic number.

It is not a de Polignac number, because 142697000977 - 2¹¹ = 142696998929 is a prime.

It is not a weakly prime, because it can be changed into another prime (142697007977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71348500488 + 71348500489.

It is an arithmetic number, because the mean of its divisors is an integer number (71348500489).

Almost surely, 2^142697000977 is an apocalyptic number.

It is an amenable number.

142697000977 is a deficient number, since it is larger than the sum of its proper divisors (1).

142697000977 is an equidigital number, since it uses as much as digits as its factorization.

142697000977 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 142697000977 in words is "one hundred forty-two billion, six hundred ninety-seven million, nine hundred seventy-seven", and thus it is an aban number.