87506235402 has 16 divisors (see below), whose sum is σ = 175029972960. Its totient is φ = 29165828112.

The previous prime is 87506235361. The next prime is 87506235407. The reversal of 87506235402 is 20453260578.

It is not an unprimeable number, because it can be changed into a prime (87506235407) 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 7 ways as a sum of consecutive naturals, for example, 663808 + ... + 784635.

It is an arithmetic number, because the mean of its divisors is an integer number (10939373310).

Almost surely, 2^87506235402 is an apocalyptic number.

87506235402 is an abundant number, since it is smaller than the sum of its proper divisors (87523737558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87506235402 is a wasteful number, since it uses less digits than its factorization.

87506235402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458517.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 87506235402 in words is "eighty-seven billion, five hundred six million, two hundred thirty-five thousand, four hundred two".