611372387 has 8 divisors (see below), whose sum is σ = 622539456. Its totient is φ = 600265512.

The previous prime is 611372383. The next prime is 611372393. The reversal of 611372387 is 783273116.

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

It is a cyclic number.

It is not a de Polignac number, because 611372387 - 2² = 611372383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 611372387.

It is not an unprimeable number, because it can be changed into a prime (611372383) 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, 5708 + ... + 35430.

It is an arithmetic number, because the mean of its divisors is an integer number (77817432).

Almost surely, 2^611372387 is an apocalyptic number.

611372387 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

611372387 is a deficient number, since it is larger than the sum of its proper divisors (11167069).

611372387 is a wasteful number, since it uses less digits than its factorization.

611372387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30097.

The product of its digits is 42336, while the sum is 38.

The square root of 611372387 is about 24725.9456239797. The cubic root of 611372387 is about 848.7281495586.

The spelling of 611372387 in words is "six hundred eleven million, three hundred seventy-two thousand, three hundred eighty-seven".