87400792400 has 60 divisors (see below), whose sum is σ = 216753995904. Its totient is φ = 33832560000.

The previous prime is 87400792399. The next prime is 87400792403. The reversal of 87400792400 is 429700478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87400792403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3511826 + ... + 3536625.

Almost surely, 2^87400792400 is an apocalyptic number.

87400792400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87400792400 is an abundant number, since it is smaller than the sum of its proper divisors (129353203504).

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

87400792400 is a wasteful number, since it uses less digits than its factorization.

87400792400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048500 (or 7048489 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 87400792400 in words is "eighty-seven billion, four hundred million, seven hundred ninety-two thousand, four hundred".