761612399 has 4 divisors (see below), whose sum is σ = 770788536. Its totient is φ = 752436264.

The previous prime is 761612353. The next prime is 761612407. The reversal of 761612399 is 993216167.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761612399 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 (761612339) 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, 4587944 + ... + 4588109.

It is an arithmetic number, because the mean of its divisors is an integer number (192697134).

Almost surely, 2^761612399 is an apocalyptic number.

761612399 is a deficient number, since it is larger than the sum of its proper divisors (9176137).

761612399 is an equidigital number, since it uses as much as digits as its factorization.

761612399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176136.

The product of its digits is 122472, while the sum is 44.

The square root of 761612399 is about 27597.3259393007. The cubic root of 761612399 is about 913.2254413580.

The spelling of 761612399 in words is "seven hundred sixty-one million, six hundred twelve thousand, three hundred ninety-nine".