61310678774702 has 32 divisors (see below), whose sum is σ = 108500993040384. Its totient is φ = 25426863993600.

The previous prime is 61310678774689. The next prime is 61310678774749. The reversal of 61310678774702 is 20747787601316.

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, 2999627 + ... + 11472537.

It is an arithmetic number, because the mean of its divisors is an integer number (3390656032512).

Almost surely, 2^{61310678774702} is an apocalyptic number.

61310678774702 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61310678774702 is a deficient number, since it is larger than the sum of its proper divisors (47190314265682).

61310678774702 is a wasteful number, since it uses less digits than its factorization.

61310678774702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489624.

The product of its (nonzero) digits is 16595712, while the sum is 59.

The spelling of 61310678774702 in words is "sixty-one trillion, three hundred ten billion, six hundred seventy-eight million, seven hundred seventy-four thousand, seven hundred two".