771690749883 has 8 divisors (see below), whose sum is σ = 1028931978768. Its totient is φ = 514455010464.

The previous prime is 771690749839. The next prime is 771690749917. The reversal of 771690749883 is 388947096177.

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

It is a de Polignac number, because none of the positive numbers 2^k-771690749883 is a prime.

It is a super-2 number, since 2×771690749883² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (771690749833) 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, 1032316 + ... + 1615257.

It is an arithmetic number, because the mean of its divisors is an integer number (128616497346).

Almost surely, 2^771690749883 is an apocalyptic number.

771690749883 is a deficient number, since it is larger than the sum of its proper divisors (257241228885).

771690749883 is a wasteful number, since it uses less digits than its factorization.

771690749883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744733.

The product of its (nonzero) digits is 128024064, while the sum is 69.

The spelling of 771690749883 in words is "seven hundred seventy-one billion, six hundred ninety million, seven hundred forty-nine thousand, eight hundred eighty-three".