761780085 has 16 divisors (see below), whose sum is σ = 1329652800. Its totient is φ = 369347840.

The previous prime is 761780057. The next prime is 761780111. The reversal of 761780085 is 580087167.

It is not a de Polignac number, because 761780085 - 2⁸ = 761779829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2308260 + ... + 2308589.

It is an arithmetic number, because the mean of its divisors is an integer number (83103300).

Almost surely, 2^761780085 is an apocalyptic number.

It is an amenable number.

761780085 is a deficient number, since it is larger than the sum of its proper divisors (567872715).

761780085 is a wasteful number, since it uses less digits than its factorization.

761780085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616868.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 761780085 is about 27600.3638562973. The cubic root of 761780085 is about 913.2924587736.

The spelling of 761780085 in words is "seven hundred sixty-one million, seven hundred eighty thousand, eighty-five".