245887667970 has 128 divisors (see below), whose sum is σ = 689762304000. Its totient is φ = 54928998912.

The previous prime is 245887667959. The next prime is 245887667981. The reversal of 245887667970 is 79766788542.

It is an interprime number because it is at equal distance from previous prime (245887667959) and next prime (245887667981).

It is a junction number, because it is equal to n+sod(n) for n = 245887667895 and 245887667904.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7079206 + ... + 7113854.

It is an arithmetic number, because the mean of its divisors is an integer number (5388768000).

Almost surely, 2^245887667970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245887667970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344881152000).

245887667970 is an abundant number, since it is smaller than the sum of its proper divisors (443874636030).

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

245887667970 is a wasteful number, since it uses less digits than its factorization.

245887667970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35432.

The product of its (nonzero) digits is 284497920, while the sum is 69.

The spelling of 245887667970 in words is "two hundred forty-five billion, eight hundred eighty-seven million, six hundred sixty-seven thousand, nine hundred seventy".