87203402 has 16 divisors (see below), whose sum is σ = 153673632. Its totient is φ = 36588720.

The previous prime is 87203393. The next prime is 87203423. The reversal of 87203402 is 20430278.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152168 + ... + 152739.

It is an arithmetic number, because the mean of its divisors is an integer number (9604602).

Almost surely, 2^87203402 is an apocalyptic number.

87203402 is a deficient number, since it is larger than the sum of its proper divisors (66470230).

87203402 is a wasteful number, since it uses less digits than its factorization.

87203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304933.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 87203402 is about 9338.2761792528. The cubic root of 87203402 is about 443.4498129251.

The spelling of 87203402 in words is "eighty-seven million, two hundred three thousand, four hundred two".