769945830 has 32 divisors (see below), whose sum is σ = 1857558528. Its totient is φ = 204242400.

The previous prime is 769945823. The next prime is 769945837. The reversal of 769945830 is 38549967.

It is an interprime number because it is at equal distance from previous prime (769945823) and next prime (769945837).

It is a super-2 number, since 2×769945830² = 1185633162268777800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769945837) 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, 61456 + ... + 72915.

It is an arithmetic number, because the mean of its divisors is an integer number (58048704).

Almost surely, 2^769945830 is an apocalyptic number.

769945830 is an abundant number, since it is smaller than the sum of its proper divisors (1087612698).

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

769945830 is a wasteful number, since it uses less digits than its factorization.

769945830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134572.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 769945830 is about 27747.8977582086. The cubic root of 769945830 is about 916.5441512662.

The spelling of 769945830 in words is "seven hundred sixty-nine million, nine hundred forty-five thousand, eight hundred thirty".