87961498 has 4 divisors (see below), whose sum is σ = 131942250. Its totient is φ = 43980748.

The previous prime is 87961493. The next prime is 87961513. The reversal of 87961498 is 89416978.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69839449 + 18122049 = 8357^2 + 4257^2 .

It is not an unprimeable number, because it can be changed into a prime (87961493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21990373 + ... + 21990376.

Almost surely, 2^87961498 is an apocalyptic number.

87961498 is a deficient number, since it is larger than the sum of its proper divisors (43980752).

87961498 is a wasteful number, since it uses less digits than its factorization.

87961498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43980751.

The product of its digits is 870912, while the sum is 52.

The square root of 87961498 is about 9378.7791316354. The cubic root of 87961498 is about 444.7311391953.

The spelling of 87961498 in words is "eighty-seven million, nine hundred sixty-one thousand, four hundred ninety-eight".