787366980 has 240 divisors, whose sum is σ = 2575964160. Its totient is φ = 201180672.

The previous prime is 787366969. The next prime is 787366991. The reversal of 787366980 is 89663787.

787366980 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (787366969) and next prime (787366991).

It is a super-2 number, since 2×787366980² = 1239893522388640800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6199677 + ... + 6199803.

It is an arithmetic number, because the mean of its divisors is an integer number (10733184).

Almost surely, 2^787366980 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 787366980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287982080).

787366980 is an abundant number, since it is smaller than the sum of its proper divisors (1788597180).

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

787366980 is a wasteful number, since it uses less digits than its factorization.

787366980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 787366980 is about 28060.0602280180. The cubic root of 787366980 is about 923.4053772484.

The spelling of 787366980 in words is "seven hundred eighty-seven million, three hundred sixty-six thousand, nine hundred eighty".