787161210 has 128 divisors (see below), whose sum is σ = 2159861760. Its totient is φ = 181843200.

The previous prime is 787161169. The next prime is 787161211. The reversal of 787161210 is 12161787.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (787161211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 793815 + ... + 794805.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920).

Almost surely, 2^787161210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787161210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079930880).

787161210 is an abundant number, since it is smaller than the sum of its proper divisors (1372700550).

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

787161210 is a wasteful number, since it uses less digits than its factorization.

787161210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 4704, while the sum is 33.

The square root of 787161210 is about 28056.3933890299. The cubic root of 787161210 is about 923.3249295097.

The spelling of 787161210 in words is "seven hundred eighty-seven million, one hundred sixty-one thousand, two hundred ten".