787331880 has 512 divisors, whose sum is σ = 3053376000. Its totient is φ = 179159040.

The previous prime is 787331833. The next prime is 787331957. The reversal of 787331880 is 88133787.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12907050 + ... + 12907110.

It is an arithmetic number, because the mean of its divisors is an integer number (5963625).

Almost surely, 2^787331880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787331880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526688000).

787331880 is an abundant number, since it is smaller than the sum of its proper divisors (2266044120).

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

787331880 is a wasteful number, since it uses less digits than its factorization.

787331880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 787331880 is about 28059.4347769159. The cubic root of 787331880 is about 923.3916555612.

The spelling of 787331880 in words is "seven hundred eighty-seven million, three hundred thirty-one thousand, eight hundred eighty".