768451836 has 24 divisors (see below), whose sum is σ = 1803795840. Its totient is φ = 254616112.

The previous prime is 768451829. The next prime is 768451837. The reversal of 768451836 is 638154867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768451837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189726 + ... + 193733.

It is an arithmetic number, because the mean of its divisors is an integer number (75158160).

Almost surely, 2^768451836 is an apocalyptic number.

It is an amenable number.

768451836 is an abundant number, since it is smaller than the sum of its proper divisors (1035344004).

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

768451836 is a wasteful number, since it uses less digits than its factorization.

768451836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383633 (or 383631 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 768451836 is about 27720.9638360574. The cubic root of 768451836 is about 915.9509501904.

The spelling of 768451836 in words is "seven hundred sixty-eight million, four hundred fifty-one thousand, eight hundred thirty-six".