9970776426 has 32 divisors (see below), whose sum is σ = 21479532480. Its totient is φ = 3067357824.

The previous prime is 9970776401. The next prime is 9970776451. The reversal of 9970776426 is 6246770799.

It is an interprime number because it is at equal distance from previous prime (9970776401) and next prime (9970776451).

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, 623041 + ... + 638843.

It is an arithmetic number, because the mean of its divisors is an integer number (671235390).

Almost surely, 2^9970776426 is an apocalyptic number.

9970776426 is an abundant number, since it is smaller than the sum of its proper divisors (11508756054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9970776426 is a wasteful number, since it uses less digits than its factorization.

9970776426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23910.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The square root of 9970776426 is about 99853.7752215709. The cubic root of 9970776426 is about 2152.3339662927. Note that the first 3 decimals are identical.

The spelling of 9970776426 in words is "nine billion, nine hundred seventy million, seven hundred seventy-six thousand, four hundred twenty-six".