769821402 has 32 divisors (see below), whose sum is σ = 1764421632. Its totient is φ = 219345264.

The previous prime is 769821383. The next prime is 769821407. The reversal of 769821402 is 204128967.

It is not an unprimeable number, because it can be changed into a prime (769821407) 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, 9558 + ... + 40385.

It is an arithmetic number, because the mean of its divisors is an integer number (55138176).

Almost surely, 2^769821402 is an apocalyptic number.

769821402 is an abundant number, since it is smaller than the sum of its proper divisors (994600230).

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

769821402 is a wasteful number, since it uses less digits than its factorization.

769821402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50322.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 769821402 is about 27745.6555518157. The cubic root of 769821402 is about 916.4947755417.

The spelling of 769821402 in words is "seven hundred sixty-nine million, eight hundred twenty-one thousand, four hundred two".