87979351 has 2 divisors, whose sum is σ = 87979352. Its totient is φ = 87979350.

The previous prime is 87979327. The next prime is 87979363. The reversal of 87979351 is 15397978.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87979351 - 2⁵ = 87979319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87979295 and 87979304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87979321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43989675 + 43989676.

It is an arithmetic number, because the mean of its divisors is an integer number (43989676).

Almost surely, 2^87979351 is an apocalyptic number.

87979351 is a deficient number, since it is larger than the sum of its proper divisors (1).

87979351 is an equidigital number, since it uses as much as digits as its factorization.

87979351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The square root of 87979351 is about 9379.7308596782. The cubic root of 87979351 is about 444.7612252675.

It can be divided in two parts, 879793 and 51, that added together give a square (879844 = 938²).

The spelling of 87979351 in words is "eighty-seven million, nine hundred seventy-nine thousand, three hundred fifty-one".