78230103477 has 8 divisors (see below), whose sum is σ = 107125907616. Its totient is φ = 50743850832.

The previous prime is 78230103449. The next prime is 78230103563. The reversal of 78230103477 is 77430103287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78230103477 - 2²³ = 78221714869 is a prime.

It is a super-2 number, since 2×78230103477² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78230103407) 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, 352387743 + ... + 352387964.

It is an arithmetic number, because the mean of its divisors is an integer number (13390738452).

Almost surely, 2^78230103477 is an apocalyptic number.

It is an amenable number.

78230103477 is a deficient number, since it is larger than the sum of its proper divisors (28895804139).

78230103477 is a wasteful number, since it uses less digits than its factorization.

78230103477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704775747.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 78230103477 in words is "seventy-eight billion, two hundred thirty million, one hundred three thousand, four hundred seventy-seven".