87409276 has 12 divisors (see below), whose sum is σ = 153173608. Its totient is φ = 43645392.

The previous prime is 87409271. The next prime is 87409337. The reversal of 87409276 is 67290478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87409271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11406 + ... + 17461.

Almost surely, 2^87409276 is an apocalyptic number.

It is an amenable number.

87409276 is a deficient number, since it is larger than the sum of its proper divisors (65764332).

87409276 is a wasteful number, since it uses less digits than its factorization.

87409276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29628 (or 29626 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 87409276 is about 9349.2928074801. The cubic root of 87409276 is about 443.7985112342.

It can be divided in two parts, 8 and 7409276, that added together give a square (7409284 = 2722²).

The spelling of 87409276 in words is "eighty-seven million, four hundred nine thousand, two hundred seventy-six".