78213700723348 has 24 divisors (see below), whose sum is σ = 140058805372640. Its totient is φ = 38196921440160.

The previous prime is 78213700723313. The next prime is 78213700723427. The reversal of 78213700723348 is 84332700731287.

It is a super-2 number, since 2×78213700723348² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11532763 + ... + 17012701.

Almost surely, 2^{78213700723348} is an apocalyptic number.

It is an amenable number.

78213700723348 is a deficient number, since it is larger than the sum of its proper divisors (61845104649292).

78213700723348 is a wasteful number, since it uses less digits than its factorization.

78213700723348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562967 (or 5562965 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 78213700723348 in words is "seventy-eight trillion, two hundred thirteen billion, seven hundred million, seven hundred twenty-three thousand, three hundred forty-eight".