999953077 has 2 divisors, whose sum is σ = 999953078. Its totient is φ = 999953076.

The previous prime is 999953011. The next prime is 999953093. The reversal of 999953077 is 770359999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800550436 + 199402641 = 28294^2 + 14121^2 .

It is a cyclic number.

It is not a de Polignac number, because 999953077 - 2¹⁵ = 999920309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999953177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499976538 + 499976539.

It is an arithmetic number, because the mean of its divisors is an integer number (499976539).

Almost surely, 2^999953077 is an apocalyptic number.

It is an amenable number.

999953077 is a deficient number, since it is larger than the sum of its proper divisors (1).

999953077 is an equidigital number, since it uses as much as digits as its factorization.

999953077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4822335, while the sum is 58.

The square root of 999953077 is about 31622.0346752071. The cubic root of 999953077 is about 999.9843587554.

The spelling of 999953077 in words is "nine hundred ninety-nine million, nine hundred fifty-three thousand, seventy-seven".