87628310 has 64 divisors (see below), whose sum is σ = 197821440. Its totient is φ = 27150720.

The previous prime is 87628291. The next prime is 87628313. The reversal of 87628310 is 1382678.

It is a super-2 number, since 2×87628310² = 15357441426912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87628313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243911 + ... + 244269.

It is an arithmetic number, because the mean of its divisors is an integer number (3090960).

Almost surely, 2^87628310 is an apocalyptic number.

87628310 is an abundant number, since it is smaller than the sum of its proper divisors (110193130).

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

87628310 is a wasteful number, since it uses less digits than its factorization.

87628310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 87628310 is about 9360.9994124559. Note that the first 3 decimals coincide. The cubic root of 87628310 is about 444.1688986242.

The spelling of 87628310 in words is "eighty-seven million, six hundred twenty-eight thousand, three hundred ten".