87654413 has 8 divisors (see below), whose sum is σ = 109283520. Its totient is φ = 68302080.

The previous prime is 87654407. The next prime is 87654419. The reversal of 87654413 is 31445678.

It is an interprime number because it is at equal distance from previous prime (87654407) and next prime (87654419).

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

It is not a de Polignac number, because 87654413 - 2⁶ = 87654349 is a prime.

It is a super-2 number, since 2×87654413² = 15366592236749138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87654419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569108 + ... + 569261.

It is an arithmetic number, because the mean of its divisors is an integer number (13660440).

Almost surely, 2^87654413 is an apocalyptic number.

It is an amenable number.

87654413 is a deficient number, since it is larger than the sum of its proper divisors (21629107).

87654413 is a wasteful number, since it uses less digits than its factorization.

87654413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138387.

The product of its digits is 80640, while the sum is 38.

The square root of 87654413 is about 9362.3935507967. The cubic root of 87654413 is about 444.2129977277.

The spelling of 87654413 in words is "eighty-seven million, six hundred fifty-four thousand, four hundred thirteen".