207948057 has 4 divisors (see below), whose sum is σ = 277264080. Its totient is φ = 138632036.

The previous prime is 207948049. The next prime is 207948061. The reversal of 207948057 is 750849702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 207948057 - 2³ = 207948049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (207948007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34658007 + ... + 34658012.

It is an arithmetic number, because the mean of its divisors is an integer number (69316020).

Almost surely, 2^207948057 is an apocalyptic number.

It is an amenable number.

207948057 is a deficient number, since it is larger than the sum of its proper divisors (69316023).

207948057 is an equidigital number, since it uses as much as digits as its factorization.

207948057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69316022.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 207948057 is about 14420.4041898970. The cubic root of 207948057 is about 592.4498887634.

The spelling of 207948057 in words is "two hundred seven million, nine hundred forty-eight thousand, fifty-seven".