920167957 has 2 divisors, whose sum is σ = 920167958. Its totient is φ = 920167956.

The previous prime is 920167949. The next prime is 920167979. The reversal of 920167957 is 759761029.

It is a happy number.

920167957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802532241 + 117635716 = 28329^2 + 10846^2 .

It is an emirp because it is prime and its reverse (759761029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 920167957 - 2³ = 920167949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920167987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460083978 + 460083979.

It is an arithmetic number, because the mean of its divisors is an integer number (460083979).

Almost surely, 2^920167957 is an apocalyptic number.

It is an amenable number.

920167957 is a deficient number, since it is larger than the sum of its proper divisors (1).

920167957 is an equidigital number, since it uses as much as digits as its factorization.

920167957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 920167957 is about 30334.2703390077. The cubic root of 920167957 is about 972.6480085239.

The spelling of 920167957 in words is "nine hundred twenty million, one hundred sixty-seven thousand, nine hundred fifty-seven".