87870946 has 8 divisors (see below), whose sum is σ = 133287660. Its totient is φ = 43441728.

The previous prime is 87870931. The next prime is 87870961. The reversal of 87870946 is 64907878.

It is an interprime number because it is at equal distance from previous prime (87870931) and next prime (87870961).

It can be written as a sum of positive squares in 2 ways, for example, as 73770921 + 14100025 = 8589^2 + 3755^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 87870946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246651 + ... + 247006.

Almost surely, 2^87870946 is an apocalyptic number.

87870946 is a deficient number, since it is larger than the sum of its proper divisors (45416714).

87870946 is a wasteful number, since it uses less digits than its factorization.

87870946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493748.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 87870946 is about 9373.9503945775. The cubic root of 87870946 is about 444.5784772465.

It can be divided in two parts, 878 and 70946, that added together give a square (71824 = 268²).

The spelling of 87870946 in words is "eighty-seven million, eight hundred seventy thousand, nine hundred forty-six".