77397576330 has 32 divisors (see below), whose sum is σ = 185822846784. Its totient is φ = 20631724416.

The previous prime is 77397576323. The next prime is 77397576371. The reversal of 77397576330 is 3367579377.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 394084 + ... + 556863.

It is an arithmetic number, because the mean of its divisors is an integer number (5806963962).

Almost surely, 2^77397576330 is an apocalyptic number.

77397576330 is an abundant number, since it is smaller than the sum of its proper divisors (108425270454).

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

77397576330 is a wasteful number, since it uses less digits than its factorization.

77397576330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953670.

The product of its (nonzero) digits is 17503290, while the sum is 57.

The spelling of 77397576330 in words is "seventy-seven billion, three hundred ninety-seven million, five hundred seventy-six thousand, three hundred thirty".