77732087077030 has 16 divisors (see below), whose sum is σ = 140462183812320. Its totient is φ = 30971851036672.

The previous prime is 77732087077019. The next prime is 77732087077037. The reversal of 77732087077030 is 3077078023777.

It is a super-2 number, since 2×77732087077030² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77732087077037) 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, 15122971570 + ... + 15122976709.

It is an arithmetic number, because the mean of its divisors is an integer number (8778886488270).

Almost surely, 2^{77732087077030} is an apocalyptic number.

77732087077030 is a deficient number, since it is larger than the sum of its proper divisors (62730096735290).

77732087077030 is a wasteful number, since it uses less digits than its factorization.

77732087077030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30245948543.

The product of its (nonzero) digits is 16941456, while the sum is 58.

The spelling of 77732087077030 in words is "seventy-seven trillion, seven hundred thirty-two billion, eighty-seven million, seventy-seven thousand, thirty".