93977185073 has 2 divisors, whose sum is σ = 93977185074. Its totient is φ = 93977185072.

The previous prime is 93977185013. The next prime is 93977185091. The reversal of 93977185073 is 37058177939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90508917409 + 3468267664 = 300847^2 + 58892^2 .

It is a cyclic number.

It is not a de Polignac number, because 93977185073 - 2⁸ = 93977184817 is a prime.

It is a super-2 number, since 2×93977185073² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (93977185013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46988592536 + 46988592537.

It is an arithmetic number, because the mean of its divisors is an integer number (46988592537).

Almost surely, 2^93977185073 is an apocalyptic number.

It is an amenable number.

93977185073 is a deficient number, since it is larger than the sum of its proper divisors (1).

93977185073 is an equidigital number, since it uses as much as digits as its factorization.

93977185073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10001880, while the sum is 59.

The spelling of 93977185073 in words is "ninety-three billion, nine hundred seventy-seven million, one hundred eighty-five thousand, seventy-three".