613952677 has 4 divisors (see below), whose sum is σ = 661179820. Its totient is φ = 566725536.

The previous prime is 613952659. The next prime is 613952683. The reversal of 613952677 is 776259316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83064996 + 530887681 = 9114^2 + 23041^2 .

It is not a de Polignac number, because 613952677 - 2²⁷ = 479734949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613952657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23613552 + ... + 23613577.

It is an arithmetic number, because the mean of its divisors is an integer number (165294955).

Almost surely, 2^613952677 is an apocalyptic number.

It is an amenable number.

613952677 is a deficient number, since it is larger than the sum of its proper divisors (47227143).

613952677 is a wasteful number, since it uses less digits than its factorization.

613952677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47227142.

The product of its digits is 476280, while the sum is 46.

The square root of 613952677 is about 24778.0684679012. The cubic root of 613952677 is about 849.9204894485.

The spelling of 613952677 in words is "six hundred thirteen million, nine hundred fifty-two thousand, six hundred seventy-seven".