87415373 has 2 divisors, whose sum is σ = 87415374. Its totient is φ = 87415372.

The previous prime is 87415357. The next prime is 87415421. The reversal of 87415373 is 37351478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 1630729 = 9262^2 + 1277^2 .

It is a cyclic number.

It is not a de Polignac number, because 87415373 - 2⁴ = 87415357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87415313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43707686 + 43707687.

It is an arithmetic number, because the mean of its divisors is an integer number (43707687).

Almost surely, 2^87415373 is an apocalyptic number.

It is an amenable number.

87415373 is a deficient number, since it is larger than the sum of its proper divisors (1).

87415373 is an equidigital number, since it uses as much as digits as its factorization.

87415373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 87415373 is about 9349.6188692374. The cubic root of 87415373 is about 443.8088296533.

The spelling of 87415373 in words is "eighty-seven million, four hundred fifteen thousand, three hundred seventy-three".