613977402 has 8 divisors (see below), whose sum is σ = 1227954816. Its totient is φ = 204659132.

The previous prime is 613977401. The next prime is 613977431. The reversal of 613977402 is 204779316.

It is a sphenic number, since it is the product of 3 distinct primes.

613977402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (613977401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51164778 + ... + 51164789.

It is an arithmetic number, because the mean of its divisors is an integer number (153494352).

Almost surely, 2^613977402 is an apocalyptic number.

613977402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

613977402 is a wasteful number, since it uses less digits than its factorization.

613977402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102329572.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 613977402 is about 24778.5673920023. The cubic root of 613977402 is about 849.9318985808.

The spelling of 613977402 in words is "six hundred thirteen million, nine hundred seventy-seven thousand, four hundred two".