766601028 has 36 divisors (see below), whose sum is σ = 1950643968. Its totient is φ = 253839600.

The previous prime is 766601027. The next prime is 766601029. The reversal of 766601028 is 820106667.

It is a happy number.

766601028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (766601027) and next prime (766601029).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×766601028² = 1175354272261313568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 766600983 and 766601001.

It is not an unprimeable number, because it can be changed into a prime (766601021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65076 + ... + 75947.

Almost surely, 2^766601028 is an apocalyptic number.

It is an amenable number.

766601028 is an abundant number, since it is smaller than the sum of its proper divisors (1184042940).

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

766601028 is a wasteful number, since it uses less digits than its factorization.

766601028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141184 (or 141179 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 766601028 is about 27687.5608893236. The cubic root of 766601028 is about 915.2150063583.

The spelling of 766601028 in words is "seven hundred sixty-six million, six hundred one thousand, twenty-eight".