87420758 has 8 divisors (see below), whose sum is σ = 131275080. Its totient is φ = 43662400.

The previous prime is 87420757. The next prime is 87420787. The reversal of 87420758 is 85702478.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87420757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21668 + ... + 25383.

It is an arithmetic number, because the mean of its divisors is an integer number (16409385).

Almost surely, 2^87420758 is an apocalyptic number.

87420758 is a deficient number, since it is larger than the sum of its proper divisors (43854322).

87420758 is a wasteful number, since it uses less digits than its factorization.

87420758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47982.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 87420758 is about 9349.9068444557. The cubic root of 87420758 is about 443.8179427013.

The spelling of 87420758 in words is "eighty-seven million, four hundred twenty thousand, seven hundred fifty-eight".