87402867 has 8 divisors (see below), whose sum is σ = 116890560. Its totient is φ = 58091880.

The previous prime is 87402851. The next prime is 87402871. The reversal of 87402867 is 76820478.

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

It is not a de Polignac number, because 87402867 - 2⁴ = 87402851 is a prime.

It is a super-2 number, since 2×87402867² = 15278522319639378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87402817) 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, 43017 + ... + 45002.

It is an arithmetic number, because the mean of its divisors is an integer number (14611320).

Almost surely, 2^87402867 is an apocalyptic number.

87402867 is a deficient number, since it is larger than the sum of its proper divisors (29487693).

87402867 is a wasteful number, since it uses less digits than its factorization.

87402867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88353.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 87402867 is about 9348.9500480000. The cubic root of 87402867 is about 443.7876642765.

The spelling of 87402867 in words is "eighty-seven million, four hundred two thousand, eight hundred sixty-seven".