77021357030 has 32 divisors (see below), whose sum is σ = 139092526080. Its totient is φ = 30707722080.

The previous prime is 77021357009. The next prime is 77021357041. The reversal of 77021357030 is 3075312077.

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, 10015847 + ... + 10023533.

It is an arithmetic number, because the mean of its divisors is an integer number (4346641440).

Almost surely, 2^77021357030 is an apocalyptic number.

77021357030 is a deficient number, since it is larger than the sum of its proper divisors (62071169050).

77021357030 is a wasteful number, since it uses less digits than its factorization.

77021357030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844.

The product of its (nonzero) digits is 30870, while the sum is 35.

The spelling of 77021357030 in words is "seventy-seven billion, twenty-one million, three hundred fifty-seven thousand, thirty".