87451215502 has 16 divisors (see below), whose sum is σ = 152744981472. Its totient is φ = 36771939360.

The previous prime is 87451215487. The next prime is 87451215521. The reversal of 87451215502 is 20551215478.

It is a super-2 number, since 2×87451215502² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58928649 + ... + 58930132.

It is an arithmetic number, because the mean of its divisors is an integer number (9546561342).

Almost surely, 2^87451215502 is an apocalyptic number.

87451215502 is a deficient number, since it is larger than the sum of its proper divisors (65293765970).

87451215502 is a wasteful number, since it uses less digits than its factorization.

87451215502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117858843.

The product of its (nonzero) digits is 112000, while the sum is 40.

The spelling of 87451215502 in words is "eighty-seven billion, four hundred fifty-one million, two hundred fifteen thousand, five hundred two".