87061419 has 8 divisors (see below), whose sum is σ = 128979920. Its totient is φ = 58040928.

The previous prime is 87061411. The next prime is 87061427. The reversal of 87061419 is 91416078.

It is an interprime number because it is at equal distance from previous prime (87061411) and next prime (87061427).

It is not a de Polignac number, because 87061419 - 2³ = 87061411 is a prime.

It is a super-2 number, since 2×87061419² = 15159381356587122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87061411) 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, 1612222 + ... + 1612275.

It is an arithmetic number, because the mean of its divisors is an integer number (16122490).

Almost surely, 2^87061419 is an apocalyptic number.

87061419 is a deficient number, since it is larger than the sum of its proper divisors (41918501).

87061419 is a wasteful number, since it uses less digits than its factorization.

87061419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224506 (or 3224500 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 87061419 is about 9330.6708762018. The cubic root of 87061419 is about 443.2090098690.

The spelling of 87061419 in words is "eighty-seven million, sixty-one thousand, four hundred nineteen".