87097494 has 48 divisors (see below), whose sum is σ = 202762224. Its totient is φ = 24837120.

The previous prime is 87097457. The next prime is 87097499. The reversal of 87097494 is 49479078.

It is a happy number.

It is a super-2 number, since 2×87097494² = 15171946922160072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87097499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8814 + ... + 15870.

It is an arithmetic number, because the mean of its divisors is an integer number (4224213).

Almost surely, 2^87097494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87097494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101381112).

87097494 is an abundant number, since it is smaller than the sum of its proper divisors (115664730).

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

87097494 is a wasteful number, since it uses less digits than its factorization.

87097494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101 (or 7090 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 87097494 is about 9332.6038167277. The cubic root of 87097494 is about 443.2702178351.

The spelling of 87097494 in words is "eighty-seven million, ninety-seven thousand, four hundred ninety-four".