764860061 has 12 divisors (see below), whose sum is σ = 895715100. Its totient is φ = 651188160.

The previous prime is 764860051. The next prime is 764860079. The reversal of 764860061 is 160068467.

It can be written as a sum of positive squares in 2 ways, for example, as 100200100 + 664659961 = 10010^2 + 25781^2 .

It is not a de Polignac number, because 764860061 - 2¹⁸ = 764597917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 764859997 and 764860024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764860051) 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, 45080 + ... + 59681.

It is an arithmetic number, because the mean of its divisors is an integer number (74642925).

Almost surely, 2^764860061 is an apocalyptic number.

It is an amenable number.

764860061 is a deficient number, since it is larger than the sum of its proper divisors (130855039).

764860061 is a wasteful number, since it uses less digits than its factorization.

764860061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104924 (or 104917 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 764860061 is about 27656.1035035668. The cubic root of 764860061 is about 914.5216570697.

The spelling of 764860061 in words is "seven hundred sixty-four million, eight hundred sixty thousand, sixty-one".