151694887 has 2 divisors, whose sum is σ = 151694888. Its totient is φ = 151694886.

The previous prime is 151694869. The next prime is 151694903. The reversal of 151694887 is 788496151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151694887 - 2¹⁹ = 151170599 is a prime.

It is a super-2 number, since 2×151694887² = 46022677483885538, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151694887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151694827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75847443 + 75847444.

It is an arithmetic number, because the mean of its divisors is an integer number (75847444).

Almost surely, 2^151694887 is an apocalyptic number.

151694887 is a deficient number, since it is larger than the sum of its proper divisors (1).

151694887 is an equidigital number, since it uses as much as digits as its factorization.

151694887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 49.

The square root of 151694887 is about 12316.4478239466. The cubic root of 151694887 is about 533.3230010585.

The spelling of 151694887 in words is "one hundred fifty-one million, six hundred ninety-four thousand, eight hundred eighty-seven".