87875951 has 2 divisors, whose sum is σ = 87875952. Its totient is φ = 87875950.

The previous prime is 87875911. The next prime is 87875989. The reversal of 87875951 is 15957878.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87875951 is a prime.

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 87875951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87875911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43937975 + 43937976.

It is an arithmetic number, because the mean of its divisors is an integer number (43937976).

Almost surely, 2^87875951 is an apocalyptic number.

87875951 is a deficient number, since it is larger than the sum of its proper divisors (1).

87875951 is an equidigital number, since it uses as much as digits as its factorization.

87875951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 50.

The square root of 87875951 is about 9374.2173539981. The cubic root of 87875951 is about 444.5869179319.

The spelling of 87875951 in words is "eighty-seven million, eight hundred seventy-five thousand, nine hundred fifty-one".