676645497 has 24 divisors (see below), whose sum is σ = 1068444000. Its totient is φ = 409236480.

The previous prime is 676645483. The next prime is 676645517. The reversal of 676645497 is 794546676.

It is not a de Polignac number, because 676645497 - 2⁴ = 676645481 is a prime.

It is a super-2 number, since 2×676645497² = 915698257220754018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (676645447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42553 + ... + 56249.

It is an arithmetic number, because the mean of its divisors is an integer number (44518500).

Almost surely, 2^676645497 is an apocalyptic number.

It is an amenable number.

676645497 is a deficient number, since it is larger than the sum of its proper divisors (391798503).

676645497 is a wasteful number, since it uses less digits than its factorization.

676645497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14213 (or 14210 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 676645497 is about 26012.4104419410. The cubic root of 676645497 is about 877.9175522714.

The spelling of 676645497 in words is "six hundred seventy-six million, six hundred forty-five thousand, four hundred ninety-seven".