207697087157 has 16 divisors (see below), whose sum is σ = 238147584000. Its totient is φ = 177441747120.

The previous prime is 207697087153. The next prime is 207697087159. The reversal of 207697087157 is 751780796702.

207697087157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 207697087157 - 2² = 207697087153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 207697087096 and 207697087105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207697087153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11109944 + ... + 11128622.

It is an arithmetic number, because the mean of its divisors is an integer number (14884224000).

Almost surely, 2^207697087157 is an apocalyptic number.

It is an amenable number.

207697087157 is a deficient number, since it is larger than the sum of its proper divisors (30450496843).

207697087157 is a wasteful number, since it uses less digits than its factorization.

207697087157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23816.

The product of its (nonzero) digits is 10372320, while the sum is 59.

The spelling of 207697087157 in words is "two hundred seven billion, six hundred ninety-seven million, eighty-seven thousand, one hundred fifty-seven".