7894748156 has 12 divisors (see below), whose sum is σ = 14010398640. Its totient is φ = 3891777120.

The previous prime is 7894748149. The next prime is 7894748171. The reversal of 7894748156 is 6518474987.

It is a junction number, because it is equal to n+sod(n) for n = 7894748095 and 7894748104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13898921 + ... + 13899488.

It is an arithmetic number, because the mean of its divisors is an integer number (1167533220).

Almost surely, 2^7894748156 is an apocalyptic number.

It is an amenable number.

7894748156 is a deficient number, since it is larger than the sum of its proper divisors (6115650484).

7894748156 is a wasteful number, since it uses less digits than its factorization.

7894748156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27798484 (or 27798482 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 59.

The square root of 7894748156 is about 88852.3953306831. The cubic root of 7894748156 is about 1991.1902642561.

The spelling of 7894748156 in words is "seven billion, eight hundred ninety-four million, seven hundred forty-eight thousand, one hundred fifty-six".