87461905 has 8 divisors (see below), whose sum is σ = 105019200. Its totient is φ = 69926256.

The previous prime is 87461863. The next prime is 87461911. The reversal of 87461905 is 50916478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87461905 - 2⁹ = 87461393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5476 + ... + 14314.

It is an arithmetic number, because the mean of its divisors is an integer number (13127400).

Almost surely, 2^87461905 is an apocalyptic number.

It is an amenable number.

87461905 is a deficient number, since it is larger than the sum of its proper divisors (17557295).

87461905 is a wasteful number, since it uses less digits than its factorization.

87461905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 87461905 is about 9352.1069818517. The cubic root of 87461905 is about 443.8875635134.

The spelling of 87461905 in words is "eighty-seven million, four hundred sixty-one thousand, nine hundred five".