87650070 has 32 divisors (see below), whose sum is σ = 213504768. Its totient is φ = 23023968.

The previous prime is 87650053. The next prime is 87650081. The reversal of 87650070 is 7005678.

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, 19794 + ... + 23813.

It is an arithmetic number, because the mean of its divisors is an integer number (6672024).

Almost surely, 2^87650070 is an apocalyptic number.

87650070 is an abundant number, since it is smaller than the sum of its proper divisors (125854698).

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

87650070 is a wasteful number, since it uses less digits than its factorization.

87650070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43684.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 87650070 is about 9362.1616093721. The cubic root of 87650070 is about 444.2056611550.

The spelling of 87650070 in words is "eighty-seven million, six hundred fifty thousand, seventy".