87880461 has 4 divisors (see below), whose sum is σ = 117173952. Its totient is φ = 58586972.

The previous prime is 87880451. The next prime is 87880477. The reversal of 87880461 is 16408878.

87880461 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87880461 - 2⁷ = 87880333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87880421) 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, 14646741 + ... + 14646746.

It is an arithmetic number, because the mean of its divisors is an integer number (29293488).

Almost surely, 2^87880461 is an apocalyptic number.

It is an amenable number.

87880461 is a deficient number, since it is larger than the sum of its proper divisors (29293491).

87880461 is a wasteful number, since it uses less digits than its factorization.

87880461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29293490.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 87880461 is about 9374.4579043271. The cubic root of 87880461 is about 444.5945235497.

The spelling of 87880461 in words is "eighty-seven million, eight hundred eighty thousand, four hundred sixty-one".