87619470 has 16 divisors (see below), whose sum is σ = 210286800. Its totient is φ = 23365184.

The previous prime is 87619463. The next prime is 87619517. The reversal of 87619470 is 7491678.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460295 + ... + 1460354.

It is an arithmetic number, because the mean of its divisors is an integer number (13142925).

Almost surely, 2^87619470 is an apocalyptic number.

87619470 is an abundant number, since it is smaller than the sum of its proper divisors (122667330).

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

87619470 is a wasteful number, since it uses less digits than its factorization.

87619470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920659.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 87619470 is about 9360.5272287409. The cubic root of 87619470 is about 444.1539621077.

It can be divided in two parts, 876 and 19470, that multiplied together give a triangular number (17055720 = T₅₈₄₀).

The spelling of 87619470 in words is "eighty-seven million, six hundred nineteen thousand, four hundred seventy".