787213960 has 64 divisors (see below), whose sum is σ = 1911470400. Its totient is φ = 290055936.

The previous prime is 787213957. The next prime is 787213963. The reversal of 787213960 is 69312787.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (787213957) and next prime (787213963).

It is not an unprimeable number, because it can be changed into a prime (787213963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303951 + ... + 306529.

It is an arithmetic number, because the mean of its divisors is an integer number (29866725).

Almost surely, 2^787213960 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 787213960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955735200).

787213960 is an abundant number, since it is smaller than the sum of its proper divisors (1124256440).

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

787213960 is a wasteful number, since it uses less digits than its factorization.

787213960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 787213960 is about 28057.3334442174. Note that the first 3 decimals coincide. The cubic root of 787213960 is about 923.3455539602.

The spelling of 787213960 in words is "seven hundred eighty-seven million, two hundred thirteen thousand, nine hundred sixty".