87628786 has 8 divisors (see below), whose sum is σ = 150220800. Its totient is φ = 37555188.

The previous prime is 87628771. The next prime is 87628787. The reversal of 87628786 is 68782678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (87628787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3129586 + ... + 3129613.

It is an arithmetic number, because the mean of its divisors is an integer number (18777600).

Almost surely, 2^87628786 is an apocalyptic number.

87628786 is a deficient number, since it is larger than the sum of its proper divisors (62592014).

87628786 is a wasteful number, since it uses less digits than its factorization.

87628786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259208.

The product of its digits is 1806336, while the sum is 52.

The square root of 87628786 is about 9361.0248370571. The cubic root of 87628786 is about 444.1697028697.

The spelling of 87628786 in words is "eighty-seven million, six hundred twenty-eight thousand, seven hundred eighty-six".