785552880 has 80 divisors (see below), whose sum is σ = 2783107584. Its totient is φ = 179554560.

The previous prime is 785552861. The next prime is 785552903. The reversal of 785552880 is 88255587.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232116 + ... + 235475.

Almost surely, 2^785552880 is an apocalyptic number.

785552880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

785552880 is an abundant number, since it is smaller than the sum of its proper divisors (1997554704).

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

785552880 is a wasteful number, since it uses less digits than its factorization.

785552880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467614 (or 467608 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 48.

The square root of 785552880 is about 28027.7162822803. The cubic root of 785552880 is about 922.6956540375.

The spelling of 785552880 in words is "seven hundred eighty-five million, five hundred fifty-two thousand, eight hundred eighty".