690764042982 has 128 divisors (see below), whose sum is σ = 1557356169600. Its totient is φ = 202790117376.

The previous prime is 690764042977. The next prime is 690764042999. The reversal of 690764042982 is 289240467096.

It is a super-3 number, since 3×690764042982³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97879998 + ... + 97887054.

It is an arithmetic number, because the mean of its divisors is an integer number (12166845075).

Almost surely, 2^690764042982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690764042982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778678084800).

690764042982 is an abundant number, since it is smaller than the sum of its proper divisors (866592126618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690764042982 is a wasteful number, since it uses less digits than its factorization.

690764042982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 690764042982 in words is "six hundred ninety billion, seven hundred sixty-four million, forty-two thousand, nine hundred eighty-two".