613400877 has 32 divisors (see below), whose sum is σ = 933528960. Its totient is φ = 397837440.

The previous prime is 613400867. The next prime is 613400903. The reversal of 613400877 is 778004316.

It is not a de Polignac number, because 613400877 - 2⁴ = 613400861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613400857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605023 + ... + 606035.

It is an arithmetic number, because the mean of its divisors is an integer number (29172780).

Almost surely, 2^613400877 is an apocalyptic number.

It is an amenable number.

613400877 is a deficient number, since it is larger than the sum of its proper divisors (320128083).

613400877 is a wasteful number, since it uses less digits than its factorization.

613400877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 613400877 is about 24766.9311179242. The cubic root of 613400877 is about 849.6657864848.

The spelling of 613400877 in words is "six hundred thirteen million, four hundred thousand, eight hundred seventy-seven".