611480977 has 8 divisors (see below), whose sum is σ = 613893600. Its totient is φ = 609073920.

The previous prime is 611480957. The next prime is 611481001. The reversal of 611480977 is 779084116.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611480977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611480917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521602 + ... + 522772.

It is an arithmetic number, because the mean of its divisors is an integer number (76736700).

Almost surely, 2^611480977 is an apocalyptic number.

It is an amenable number.

611480977 is a deficient number, since it is larger than the sum of its proper divisors (2412623).

611480977 is a wasteful number, since it uses less digits than its factorization.

611480977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 611480977 is about 24728.1413980105. The cubic root of 611480977 is about 848.7783960400.

The spelling of 611480977 in words is "six hundred eleven million, four hundred eighty thousand, nine hundred seventy-seven".