87070686542 has 32 divisors (see below), whose sum is σ = 150910256640. Its totient is φ = 36905712480.

The previous prime is 87070686523. The next prime is 87070686587. The reversal of 87070686542 is 24568607078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782567 + ... + 886877.

It is an arithmetic number, because the mean of its divisors is an integer number (4715945520).

Almost surely, 2^87070686542 is an apocalyptic number.

87070686542 is a deficient number, since it is larger than the sum of its proper divisors (63839570098).

87070686542 is a wasteful number, since it uses less digits than its factorization.

87070686542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104976.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 87070686542 in words is "eighty-seven billion, seventy million, six hundred eighty-six thousand, five hundred forty-two".