87800340 has 24 divisors (see below), whose sum is σ = 245841120. Its totient is φ = 23413408.

The previous prime is 87800299. The next prime is 87800353. The reversal of 87800340 is 4300878.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 87800298 and 87800307.

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, 731610 + ... + 731729.

It is an arithmetic number, because the mean of its divisors is an integer number (10243380).

Almost surely, 2^87800340 is an apocalyptic number.

It is an amenable number.

87800340 is an abundant number, since it is smaller than the sum of its proper divisors (158040780).

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

87800340 is a wasteful number, since it uses less digits than its factorization.

87800340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463351 (or 1463349 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 87800340 is about 9370.1835627697. The cubic root of 87800340 is about 444.4593695451.

The spelling of 87800340 in words is "eighty-seven million, eight hundred thousand, three hundred forty".