87629019 has 8 divisors (see below), whose sum is σ = 116942352. Its totient is φ = 58367520.

The previous prime is 87628997. The next prime is 87629029. The reversal of 87629019 is 91092678.

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

It is not a de Polignac number, because 87629019 - 2⁸ = 87628763 is a prime.

It is a super-2 number, since 2×87629019² = 15357689941804722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87629029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8824 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (14617794).

Almost surely, 2^87629019 is an apocalyptic number.

87629019 is a deficient number, since it is larger than the sum of its proper divisors (29313333).

87629019 is a wasteful number, since it uses less digits than its factorization.

87629019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25917.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 87629019 is about 9361.0372822674. The cubic root of 87629019 is about 444.1700965434.

The spelling of 87629019 in words is "eighty-seven million, six hundred twenty-nine thousand, nineteen".