697329477000 has 384 divisors, whose sum is σ = 2687597508960. Its totient is φ = 161552793600.

The previous prime is 697329476993. The next prime is 697329477011. The reversal of 697329477000 is 774923796.

It can be written as a sum of positive squares in 16 ways, for example, as 11556680004 + 685772796996 = 107502^2 + 828114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1813704 + ... + 2164296.

Almost surely, 2^697329477000 is an apocalyptic number.

697329477000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697329477000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343798754480).

697329477000 is an abundant number, since it is smaller than the sum of its proper divisors (1990268031960).

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

697329477000 is a wasteful number, since it uses less digits than its factorization.

697329477000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350650 (or 350633 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The spelling of 697329477000 in words is "six hundred ninety-seven billion, three hundred twenty-nine million, four hundred seventy-seven thousand".